annotate RestDbGisApi.py @ 65:2f477270cc0c

adding layers to maps works now
author casties
date Tue, 09 Nov 2010 20:49:36 +0100
parents 3905385c8854
children 9ec7e32e8ad3 9c66c0ab395c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
43
562717546168 refactoring...
casties
parents:
diff changeset
1 '''
562717546168 refactoring...
casties
parents:
diff changeset
2 Created on 2.9.2010
562717546168 refactoring...
casties
parents:
diff changeset
3
562717546168 refactoring...
casties
parents:
diff changeset
4 @author: casties, fknauft
562717546168 refactoring...
casties
parents:
diff changeset
5 '''
562717546168 refactoring...
casties
parents:
diff changeset
6
562717546168 refactoring...
casties
parents:
diff changeset
7 from OFS.Folder import Folder
562717546168 refactoring...
casties
parents:
diff changeset
8 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
562717546168 refactoring...
casties
parents:
diff changeset
9 from Products.ZSQLExtend import ZSQLExtend
562717546168 refactoring...
casties
parents:
diff changeset
10 import logging
562717546168 refactoring...
casties
parents:
diff changeset
11 import re
562717546168 refactoring...
casties
parents:
diff changeset
12 import time
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
13 import datetime
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
14 import urllib
43
562717546168 refactoring...
casties
parents:
diff changeset
15
562717546168 refactoring...
casties
parents:
diff changeset
16 from RestDbInterface import *
562717546168 refactoring...
casties
parents:
diff changeset
17
562717546168 refactoring...
casties
parents:
diff changeset
18
562717546168 refactoring...
casties
parents:
diff changeset
19 gisToSqlTypeMap = {
562717546168 refactoring...
casties
parents:
diff changeset
20 "text": "text",
562717546168 refactoring...
casties
parents:
diff changeset
21 "number": "numeric",
562717546168 refactoring...
casties
parents:
diff changeset
22 "id": "text",
562717546168 refactoring...
casties
parents:
diff changeset
23 "gis_id": "text",
562717546168 refactoring...
casties
parents:
diff changeset
24 "coord_lat": "numeric",
562717546168 refactoring...
casties
parents:
diff changeset
25 "coord_lon": "numeric"
562717546168 refactoring...
casties
parents:
diff changeset
26 }
562717546168 refactoring...
casties
parents:
diff changeset
27
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
28 def kmlEncode(s):
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
29 """returns string encoded for displaying in KML attribute"""
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
30 res = s.replace("'","__Apostroph__")
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
31 res = res.replace('"','__DoubleApostroph__')
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
32 res = res.replace(';','__$$__')
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
33 res = res.replace('&','&')
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
34 return res
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
35
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
36
43
562717546168 refactoring...
casties
parents:
diff changeset
37 class RestDbGisApi(RestDbInterface):
562717546168 refactoring...
casties
parents:
diff changeset
38 """Object for RESTful GIS database queries
562717546168 refactoring...
casties
parents:
diff changeset
39 path schema: /db/{schema}/{table}/
562717546168 refactoring...
casties
parents:
diff changeset
40 omitting table gives a list of schemas
562717546168 refactoring...
casties
parents:
diff changeset
41 omitting table and schema gives a list of schemas
562717546168 refactoring...
casties
parents:
diff changeset
42 """
562717546168 refactoring...
casties
parents:
diff changeset
43
562717546168 refactoring...
casties
parents:
diff changeset
44 meta_type="RESTgis"
562717546168 refactoring...
casties
parents:
diff changeset
45
562717546168 refactoring...
casties
parents:
diff changeset
46 # data templates
562717546168 refactoring...
casties
parents:
diff changeset
47 GIS_schema_table = PageTemplateFile('zpt/GIS_schema_table', globals())
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
48 KML_schema_table = PageTemplateFile('zpt/KML_schema_table', globals())
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
49 HTML_schema_usertables = PageTemplateFile('zpt/HTML_schema_usertables', globals())
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
50
44
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
51 # and scripts
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
52 def KML_URL_schema_table(self,schema,table):
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
53 """KML_URL table function"""
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
54 self.REQUEST.RESPONSE.setHeader("Content-Type", "text/plain")
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
55 id = self.REQUEST.get('id',[])
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
56 doc = self.REQUEST.get('doc',None)
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
57 return self.getLiveKmlUrl(schema=schema,table=table)
44
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
58
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
59 #
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
60 # database methods
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
61 #
60
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
62 def getTableOwner(self,schema,table):
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
63 """returns the owner of the table"""
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
64 # what do we do with the schema?
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
65 sql = 'select table_owner from public.gis_table_meta where table_name = %s'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
66 res = self.executeSQL(sql,(table,))
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
67 if len(res['rows']) > 0:
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
68 return res['rows'][0][0]
60
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
69 return None
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
70
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
71 def isAllowed(self,action,schema,table,user=None,owner=None):
43
562717546168 refactoring...
casties
parents:
diff changeset
72 """returns if the requested action on the table is allowed"""
562717546168 refactoring...
casties
parents:
diff changeset
73 if user is None:
562717546168 refactoring...
casties
parents:
diff changeset
74 user = self.REQUEST.get('AUTHENTICATED_USER',None)
60
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
75 logging.debug("isAllowed action=%s schema=%s table=%s user=%s"%(action,schema,table,user))
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
76 if action == "create":
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
77 if user is not None and str(user) != 'Anonymous User':
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
78 # any authenticated user can create
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
79 return True
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
80 else:
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
81 return False
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
82
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
83 if action == "update":
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
84 if owner is None:
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
85 owner = self.getTableOwner(schema,table)
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
86 logging.debug("isAllowed user=%s owner=%s"%(user,owner))
60
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
87 if user is not None and str(user) == str(owner):
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
88 # update only your own table
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
89 return True
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
90 else:
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
91 return False
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
92
62
3905385c8854 small fish
casties
parents: 61
diff changeset
93 # anything else is allowed
43
562717546168 refactoring...
casties
parents:
diff changeset
94 return True
562717546168 refactoring...
casties
parents:
diff changeset
95
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
96 def setTableMetaTypes(self,schema,table,fields,user=None):
43
562717546168 refactoring...
casties
parents:
diff changeset
97 """sets the GIS meta information for table"""
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
98 if user is None:
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
99 user = self.REQUEST.get('AUTHENTICATED_USER',None)
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
100
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
101 logging.debug("settablemetatypes schema=%s, table=%s, fields=%s user=%s"%(schema,table,fields,user))
43
562717546168 refactoring...
casties
parents:
diff changeset
102
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
103 today = datetime.date.today().isoformat()
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
104
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
105 res = self.executeSQL('select * from public.gis_table_meta where table_name = %s', (table,))
43
562717546168 refactoring...
casties
parents:
diff changeset
106 if len(res['rows']) > 0:
562717546168 refactoring...
casties
parents:
diff changeset
107 # meta record exists
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
108 sql = 'update public.gis_table_meta set table_owner=%s, table_modified=%s where table_name=%s'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
109 self.executeSQL(sql, (str(user),today,table), hasResult=False)
43
562717546168 refactoring...
casties
parents:
diff changeset
110 else:
562717546168 refactoring...
casties
parents:
diff changeset
111 # new meta record
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
112 sql = 'insert into public.gis_table_meta (table_name,table_owner,table_created) values (%s,%s,%s)'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
113 self.executeSQL(sql, (table,str(user),today), hasResult=False)
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
114
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
115 # update row info
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
116 sql = 'delete from public.gis_table_meta_rows where table_name=%s'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
117 self.executeSQL(sql,(table,),hasResult=False)
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
118 sql = 'insert into public.gis_table_meta_rows (table_name,field_name,gis_type) values (%s,%s,%s)'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
119 for f in fields:
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
120 t = f['type']
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
121 fn = f['name']
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
122 self.executeSQL(sql, (table,fn,t), hasResult=False)
43
562717546168 refactoring...
casties
parents:
diff changeset
123
60
9fdadb60529f working on authentication and authorization
casties
parents: 59
diff changeset
124
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
125 def getListOfUserTables(self,schema='public',username='guest'):
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
126 """return list of tables"""
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
127 logging.debug("getlistofusertables")
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
128 # get list of db tables
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
129 qstr = """SELECT t.table_name FROM information_schema.tables t, public.gis_table_meta m WHERE t.table_type = 'BASE TABLE'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
130 AND t.table_schema = %s AND t.table_name = m.table_name ORDER BY 1"""
43
562717546168 refactoring...
casties
parents:
diff changeset
131
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
132 data=self.executeSQL(qstr,(schema,))
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
133 return data
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
134
43
562717546168 refactoring...
casties
parents:
diff changeset
135
562717546168 refactoring...
casties
parents:
diff changeset
136 def createEmptyTable(self,schema,table,fields):
562717546168 refactoring...
casties
parents:
diff changeset
137 """create a table with the given fields
562717546168 refactoring...
casties
parents:
diff changeset
138 returns list of created fields"""
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
139 sqlFields = RestDbInterface.createEmptyTable(self,schema,table,fields)
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
140 if sqlFields is not None:
43
562717546168 refactoring...
casties
parents:
diff changeset
141 self.setTableMetaTypes(schema,table,sqlFields)
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
142
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
143 return sqlFields
43
562717546168 refactoring...
casties
parents:
diff changeset
144
562717546168 refactoring...
casties
parents:
diff changeset
145
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
146 def getLiveKmlUrl(self,schema,table,useTimestamp=True,REQUEST=None):
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
147 if REQUEST is None:
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
148 REQUEST = self.REQUEST
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
149 logging.debug("getLiveKmlUrl")
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
150 baseUrl = self.absolute_url()
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
151 timestamp = time.time()
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
152 # filter parameters in URL and add to new URL
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
153 params = [p for p in REQUEST.form.items() if p[0] not in ('format','timestamp')]
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
154 params.append(('format','KML'))
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
155 if useTimestamp:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
156 # add timestamp so URL changes every time
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
157 params.append(('timestamp',timestamp))
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
158 paramstr = urllib.urlencode(params)
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
159 return "%s/db/%s/%s?%s"%(baseUrl,schema,table,paramstr)
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
160
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
161 def getKmlData(self, schema, table, ids=None, sortBy=1, gisIdField=None, latField=None, lonField=None):
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
162 """returns data structure for KML template"""
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
163 logging.debug("getKMLdata gid=%s lat=%s lon=%s"%(gisIdField,latField,lonField))
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
164 # Mapping a set of points from table-based SQL-query:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
165 qstr='SELECT * FROM "%s"."%s"'%(schema,table)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
166 idList = None
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
167 if ids is not None:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
168 qstr += ' WHERE '
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
169 if table=='mpdl':
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
170 qstr += 'mpdl_xmlsource_id IN ('
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
171 else:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
172 qstr += 'CAST(id AS text) IN ('
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
173
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
174 idList = ids.split(",")
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
175 qstr += ','.join(['%s' for i in idList])
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
176 qstr += ')'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
177
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
178 if sortBy:
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
179 # add sort clause
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
180 if sortBy == 1:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
181 qstr += ' ORDER BY 1'
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
182 else:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
183 # TODO: proper quoting for names
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
184 qstr += ' ORDER BY "%s"'%sortBy.replace('"','')
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
185
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
186 data = self.executeSQL(qstr,idList)
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
187
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
188 fieldMap = self.getFieldNameMap(data['fields'])
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
189
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
190 if (gisIdField is None) and (latField is None or lonField is None):
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
191 # no fields given - choose automagically
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
192 # gis id in metadata first
61
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
193 #SQL='SELECT "attribute with gis_id" FROM public.metadata WHERE tablename = %s'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
194 sql = 'SELECT field_name FROM public.gis_table_meta_rows WHERE table_name = %s and gis_type = %s'
e81d034b28a5 more permission handling and table metadata
casties
parents: 60
diff changeset
195 res = self.executeSQL(sql, (table,'gis_id'))
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
196 if len(res['rows']) > 0:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
197 gisIdField = res['rows'][0][0]
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
198 else:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
199 logging.warning("no entry in metadata table for table %s"%table)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
200 # try field names
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
201 if 'latitude' in fieldMap and 'longitude' in fieldMap:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
202 latField = 'latitude'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
203 lonField = 'longitude'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
204 elif 'x_coord' in fieldMap and 'y_coord' in fieldMap:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
205 latField = 'x_coord'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
206 lonField = 'y_coord'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
207 else:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
208 logging.error("getKMLdata unable to find position fields")
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
209 return None
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
210
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
211 # convert field names to row indexes
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
212 gisIdIdx = fieldMap.get(gisIdField,None)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
213 latIdx = fieldMap.get(latField,None)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
214 lonIdx = fieldMap.get(lonField,None)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
215 logging.debug("gisidfield=%s idx=%s"%(gisIdField,gisIdIdx))
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
216
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
217 # convert data
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
218 kmlData = []
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
219 for dataset in data['rows']:
65
2f477270cc0c adding layers to maps works now
casties
parents: 62
diff changeset
220 xCoord = 0.0
2f477270cc0c adding layers to maps works now
casties
parents: 62
diff changeset
221 yCoord = 0.0
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
222 if gisIdIdx is not None:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
223 gisID = dataset[gisIdIdx]
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
224 coords=self.getPointForChGisId(gisID)
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
225 if coords!=None:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
226 xCoord=coords[0]
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
227 yCoord=coords[1]
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
228
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
229 elif latIdx is not None:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
230 xCoord = dataset[lonIdx]
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
231 yCoord = dataset[latIdx]
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
232
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
233 else:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
234 logging.error("getKMLdata unable to find position")
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
235 return None
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
236
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
237 if float(xCoord) == 0.0:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
238 continue
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
239
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
240 if float(yCoord) == 0.0:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
241 continue
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
242
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
243 kmlPlace = {}
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
244
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
245 # description
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
246 desc = ''
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
247 i = -1
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
248 for value in dataset:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
249 i += 1
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
250 name = data['fields'][i][0]
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
251 #logging.debug("value=%s"%value)
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
252 if value != None:
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
253 #if name.find('name')>-1:
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
254 # desc += "<name>%s</name>\n"%value
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
255 # continue
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
256 #elif name.find('place')>-1:
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
257 # desc += "<name>%s</name>\n"%value
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
258 # continue
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
259
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
260 val = "%s: %s"%(name, value)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
261 if val.find('http')>-1:
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
262 val ='<a href="' + val + '" target="_blank">' + val + '</a>'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
263
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
264 #desc += kmlEncode(val)
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
265 desc += val
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
266 desc += '<br/>\n'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
267
57
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
268 #kmlPlace['description'] = "<![CDATA[%s]]>"%desc
b47314bcff37 connect lines works now
casties
parents: 55
diff changeset
269 kmlPlace['description'] = desc
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
270 kmlPlace['icon'] = '#marker_icon'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
271 kmlPlace['coord_x'] = str(xCoord)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
272 kmlPlace['coord_y'] = str(yCoord)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
273 kmlPlace['coord_z'] = '0'
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
274 kmlData.append(kmlPlace)
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
275
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
276 #logging.debug("kmlData=%s"%(repr(kmlData)))
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
277 return kmlData
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
278
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
279 def getPointForChGisId(self, gis_id):
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
280 """returns coordinate pair for given gis_id"""
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
281 def getPoint(id):
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
282 sql="SELECT x_coord,y_coord FROM chgis.chgis_coords WHERE gis_id = %s"
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
283 res = self.executeSQL(sql, (gis_id,))
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
284 if len(res['rows']) > 0:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
285 return res['rows'][0]
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
286 return None
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
287
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
288 if gis_id is None or gis_id == "":
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
289 return None
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
290
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
291 # try gis_id
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
292 coords = getPoint(gis_id)
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
293 if coords is None:
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
294 # try to clean gis_id...
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
295 gis_id = re.sub(r'[^0-9]','',gis_id)
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
296 # try again
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
297 coords = getPoint(gis_id)
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
298 if coords is None:
58
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
299 logging.error("CH-GIS ID %s not found!"%repr(gis_id))
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
300
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
301 # TODO: do we need the getCoordsFromREST_gisID stuff?
5ed0769f5ad3 more cleanup in kml generation
casties
parents: 57
diff changeset
302
59
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
303 return coords
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
304
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
305
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
306 ## legacy methods...
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
307
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
308 def getKmlUrl(self,schema='chgis',table='mpdl',id=[],doc=None):
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
309 logging.debug("getKmlUrl")
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
310 data = self.getDataForGoogleMap(schema,table,id,doc)
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
311 kml=self.getKMLname(data=data,table=table)
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
312 baseUrl = self.absolute_url()
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
313 return "%s/daten/%s"%(baseUrl,kml)
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
314
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
315 def getDataForGoogleMap(self,schema='chgis',table='mpdl',id=None,doc=None):
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
316 logging.debug("getDataForGoogleMap")
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
317 qstr="SELECT * FROM "+schema+"."+table
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
318 try:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
319 if id is not None:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
320 qstr=qstr+" WHERE "
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
321 for id_item in id.split(","):
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
322 if table=='mpdl':
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
323 qstr=qstr+" mpdl_xmlsource_id = '"+id_item+ "' OR"
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
324 else:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
325 qstr=qstr+" cast(id as text) LIKE '"+id_item+ "' OR"
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
326 qstr=str(qstr).rsplit(" ",1)[0] #to remove last " and "
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
327 data=self.ZSQLSimpleSearch(qstr)
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
328 return data
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
329 except:
a5f2550a5b44 more cleanup in kml generation
casties
parents: 58
diff changeset
330 return qstr
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
331
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
332
43
562717546168 refactoring...
casties
parents:
diff changeset
333 def getKMLname(self,data=[],table=""):
562717546168 refactoring...
casties
parents:
diff changeset
334 logging.debug("getKMLname")
562717546168 refactoring...
casties
parents:
diff changeset
335 #session=context.REQUEST.SESSION
562717546168 refactoring...
casties
parents:
diff changeset
336 kml4Marker="<kml xmlns=\'http://www.opengis.net/kml/2.2\'><Document><Style id=\'marker_icon\'><IconStyle><scale>15</scale><Icon><href>http://chinagis.mpiwg-berlin.mpg.de/chinagis/images/dot_red.png</href></Icon></IconStyle></Style>\n"
562717546168 refactoring...
casties
parents:
diff changeset
337 initializeStringForGoogleMaps=""
562717546168 refactoring...
casties
parents:
diff changeset
338 #doLine=container.getVar('doLine')
562717546168 refactoring...
casties
parents:
diff changeset
339 # Mapping a set of points from table-based SQL-query:
562717546168 refactoring...
casties
parents:
diff changeset
340 if data!=None:
562717546168 refactoring...
casties
parents:
diff changeset
341 try:
562717546168 refactoring...
casties
parents:
diff changeset
342 SQL='SELECT "attribute with gis_id" FROM public.metadata WHERE tablename = %s'
562717546168 refactoring...
casties
parents:
diff changeset
343 res = self.executeSQL(SQL, (table,))
562717546168 refactoring...
casties
parents:
diff changeset
344 gisIDattribute = res['rows'][0][0]
562717546168 refactoring...
casties
parents:
diff changeset
345 except:
562717546168 refactoring...
casties
parents:
diff changeset
346 return "table not registered within metadata"
562717546168 refactoring...
casties
parents:
diff changeset
347
562717546168 refactoring...
casties
parents:
diff changeset
348 for dataset in data:
562717546168 refactoring...
casties
parents:
diff changeset
349 try:
562717546168 refactoring...
casties
parents:
diff changeset
350 xCoord=getattr(dataset,'longitude')
562717546168 refactoring...
casties
parents:
diff changeset
351 yCoord=getattr(dataset,'latitude')
562717546168 refactoring...
casties
parents:
diff changeset
352 except:
562717546168 refactoring...
casties
parents:
diff changeset
353 try:
562717546168 refactoring...
casties
parents:
diff changeset
354 xCoord=getattr(dataset,'x_coord')
562717546168 refactoring...
casties
parents:
diff changeset
355 yCoord=getattr(dataset,'y_coord')
562717546168 refactoring...
casties
parents:
diff changeset
356 except:
562717546168 refactoring...
casties
parents:
diff changeset
357 #try:
562717546168 refactoring...
casties
parents:
diff changeset
358 gisID=getattr(dataset,gisIDattribute)
562717546168 refactoring...
casties
parents:
diff changeset
359 coords=self.getPoint4GISid(gisID)
562717546168 refactoring...
casties
parents:
diff changeset
360 if coords!=None:
562717546168 refactoring...
casties
parents:
diff changeset
361 xCoord=coords[0]
562717546168 refactoring...
casties
parents:
diff changeset
362 yCoord=coords[1]
562717546168 refactoring...
casties
parents:
diff changeset
363 # except:
562717546168 refactoring...
casties
parents:
diff changeset
364 # return "no coordinates found"
562717546168 refactoring...
casties
parents:
diff changeset
365
562717546168 refactoring...
casties
parents:
diff changeset
366 if float(xCoord)!=0:
562717546168 refactoring...
casties
parents:
diff changeset
367 if float(yCoord)!=0:
562717546168 refactoring...
casties
parents:
diff changeset
368 kml4Marker=kml4Marker+"<Placemark>"
562717546168 refactoring...
casties
parents:
diff changeset
369 kml4Marker=kml4Marker+"<description> <![CDATA[<b>"
562717546168 refactoring...
casties
parents:
diff changeset
370 for values in dataset:
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
371 #logging.debug("values=%s"%repr(values))
43
562717546168 refactoring...
casties
parents:
diff changeset
372 if values != (None, None):
562717546168 refactoring...
casties
parents:
diff changeset
373 if str(values).find('name')>-1:
562717546168 refactoring...
casties
parents:
diff changeset
374 kml4Marker=kml4Marker+"<name>"+str(values[1])+"</name>\n"
562717546168 refactoring...
casties
parents:
diff changeset
375 continue
562717546168 refactoring...
casties
parents:
diff changeset
376 elif str(values).find('place')>-1:
562717546168 refactoring...
casties
parents:
diff changeset
377 kml4Marker=kml4Marker+"<name>"+str(values[1])+"</name>\n"
562717546168 refactoring...
casties
parents:
diff changeset
378 continue
562717546168 refactoring...
casties
parents:
diff changeset
379
562717546168 refactoring...
casties
parents:
diff changeset
380 kml4Marker=kml4Marker+str(values)+": "
562717546168 refactoring...
casties
parents:
diff changeset
381 attribute_string=str(values).replace("'","__Apostroph__")
562717546168 refactoring...
casties
parents:
diff changeset
382 attribute_string=str(attribute_string).replace('"','__DoubleApostroph__')
562717546168 refactoring...
casties
parents:
diff changeset
383 attribute_string=str(attribute_string).replace(';','__$$__')
562717546168 refactoring...
casties
parents:
diff changeset
384 attribute_string=str(attribute_string).replace('&','&amp;')
562717546168 refactoring...
casties
parents:
diff changeset
385 if str(attribute_string).find('http')>-1:
562717546168 refactoring...
casties
parents:
diff changeset
386 attribute_string='<A HREF=' + str(attribute_string) + ' target=_blank>' + str(attribute_string) + '</A>'
562717546168 refactoring...
casties
parents:
diff changeset
387 kml4Marker=kml4Marker+attribute_string+"</a><br>\n"
562717546168 refactoring...
casties
parents:
diff changeset
388
562717546168 refactoring...
casties
parents:
diff changeset
389 kml4Marker=kml4Marker+"]]></description>\n"
562717546168 refactoring...
casties
parents:
diff changeset
390 kml4Marker=kml4Marker+"<styleURL>#marker_icon</styleURL>\n"
562717546168 refactoring...
casties
parents:
diff changeset
391 kml4Marker=kml4Marker+"<Point>"
562717546168 refactoring...
casties
parents:
diff changeset
392
562717546168 refactoring...
casties
parents:
diff changeset
393 kml4Marker=kml4Marker+"<coordinates>"+str(xCoord)+","+str(yCoord)+",0</coordinates>\n"
562717546168 refactoring...
casties
parents:
diff changeset
394 kml4Marker=kml4Marker+"</Point>\n"
562717546168 refactoring...
casties
parents:
diff changeset
395 kml4Marker=kml4Marker+"</Placemark>\n"
562717546168 refactoring...
casties
parents:
diff changeset
396
562717546168 refactoring...
casties
parents:
diff changeset
397 kml4Marker=kml4Marker+"</Document>\n</kml>"
562717546168 refactoring...
casties
parents:
diff changeset
398 kmlFileName="marker"+str(time.time())+".kml"
562717546168 refactoring...
casties
parents:
diff changeset
399
562717546168 refactoring...
casties
parents:
diff changeset
400 #kml4Marker=str(kml4Marker).replace('&','$$')
562717546168 refactoring...
casties
parents:
diff changeset
401 #kml4Marker=str(kml4Marker).replace(';','__$$__')
562717546168 refactoring...
casties
parents:
diff changeset
402 #kml4Marker=str(kml4Marker).replace('#','__SHARP__')
562717546168 refactoring...
casties
parents:
diff changeset
403 isLoadReady='false'
562717546168 refactoring...
casties
parents:
diff changeset
404 while isLoadReady=='false':
562717546168 refactoring...
casties
parents:
diff changeset
405 isLoadReady=self.RESTwrite2File(self.daten,kmlFileName,kml4Marker)
562717546168 refactoring...
casties
parents:
diff changeset
406
562717546168 refactoring...
casties
parents:
diff changeset
407 return kmlFileName
562717546168 refactoring...
casties
parents:
diff changeset
408
44
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
409 # def getGoogleMapString(self,kml):
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
410 # logging.debug("getGoogleMapString")
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
411 # printed= '<body %s> '%kml +"""\n <div id="map_canvas" style="width: 98%; height: 95%"> </div> \n </body>" \n </html>"""
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
412 # return printed
43
562717546168 refactoring...
casties
parents:
diff changeset
413
562717546168 refactoring...
casties
parents:
diff changeset
414 def getPoint4GISid(self,gis_id):
562717546168 refactoring...
casties
parents:
diff changeset
415 j=0
562717546168 refactoring...
casties
parents:
diff changeset
416 coords=(0,0)
562717546168 refactoring...
casties
parents:
diff changeset
417 if gis_id != None:
562717546168 refactoring...
casties
parents:
diff changeset
418 while (True):
562717546168 refactoring...
casties
parents:
diff changeset
419 j=j+1
562717546168 refactoring...
casties
parents:
diff changeset
420 if (j>100): # FJK: just to prevent endless loops
562717546168 refactoring...
casties
parents:
diff changeset
421 break
562717546168 refactoring...
casties
parents:
diff changeset
422 if (gis_id.isdigit()): # FJK: regular exit from while-loop
562717546168 refactoring...
casties
parents:
diff changeset
423 break
562717546168 refactoring...
casties
parents:
diff changeset
424 else:
562717546168 refactoring...
casties
parents:
diff changeset
425 gis_id=gis_id.strip('abcdefghijklmnopqrstuvwxyz_') # FJK: to strip all letters
562717546168 refactoring...
casties
parents:
diff changeset
426 gis_id=gis_id.strip() # FJK: to strip all whitespaces
562717546168 refactoring...
casties
parents:
diff changeset
427 resultpoint = [0,0]
562717546168 refactoring...
casties
parents:
diff changeset
428 results = None
562717546168 refactoring...
casties
parents:
diff changeset
429 try:
562717546168 refactoring...
casties
parents:
diff changeset
430 if int(gis_id)>0:
562717546168 refactoring...
casties
parents:
diff changeset
431 SQL="SELECT x_coord,y_coord FROM chgis.chgis_coords WHERE gis_id LIKE cast("+ str(gis_id) +" as text);"
562717546168 refactoring...
casties
parents:
diff changeset
432 results=self.ZSQLSimpleSearch(SQL)
562717546168 refactoring...
casties
parents:
diff changeset
433 #print results
562717546168 refactoring...
casties
parents:
diff changeset
434 if results != None:
562717546168 refactoring...
casties
parents:
diff changeset
435 for result in results:
562717546168 refactoring...
casties
parents:
diff changeset
436 resultpoint=[getattr(result,str('x_coord')),getattr(result,str('y_coord'))]
562717546168 refactoring...
casties
parents:
diff changeset
437 if resultpoint !=[0,0]:
562717546168 refactoring...
casties
parents:
diff changeset
438 return resultpoint
562717546168 refactoring...
casties
parents:
diff changeset
439 else:
562717546168 refactoring...
casties
parents:
diff changeset
440 coords=self.getCoordsFromREST_gisID(joinid)
562717546168 refactoring...
casties
parents:
diff changeset
441 SQL="INSERT INTO chgis.chgis_coords (gis_id,x_coord,y_coord) VALUES (" +gis_id+ "," +coords[0][1]+ "," +coords[0][0]+ "); ANALYZE chgis.chgis_coords;"
562717546168 refactoring...
casties
parents:
diff changeset
442 returnstring=self.ZSQLSimpleSearch(SQL)
562717546168 refactoring...
casties
parents:
diff changeset
443 return coords[0]
562717546168 refactoring...
casties
parents:
diff changeset
444 except:
562717546168 refactoring...
casties
parents:
diff changeset
445 return "gis_id not to interpretable:"+str(gis_id)
562717546168 refactoring...
casties
parents:
diff changeset
446 else:
562717546168 refactoring...
casties
parents:
diff changeset
447 return coords[0]
562717546168 refactoring...
casties
parents:
diff changeset
448
562717546168 refactoring...
casties
parents:
diff changeset
449 def getCoordsFromREST_gisID(self,gis_id):
562717546168 refactoring...
casties
parents:
diff changeset
450 coordlist=[]
562717546168 refactoring...
casties
parents:
diff changeset
451 i=0
562717546168 refactoring...
casties
parents:
diff changeset
452 while (i<5 and coordlist==[]):
562717546168 refactoring...
casties
parents:
diff changeset
453
562717546168 refactoring...
casties
parents:
diff changeset
454 urlresponse=container.urlFunctions.zUrlopenParseString(container.urlFunctions.zUrlopenRead("http://chgis.hmdc.harvard.edu/xml/id/"+gis_id))
562717546168 refactoring...
casties
parents:
diff changeset
455 baseDocElement=container.urlFunctions.zUrlopenDocumentElement(urlresponse)
562717546168 refactoring...
casties
parents:
diff changeset
456 childnodes=container.urlFunctions.zUrlopenChildNodes(baseDocElement)
562717546168 refactoring...
casties
parents:
diff changeset
457 itemnodes=container.urlFunctions.zUrlopenGetElementsByTagName(baseDocElement,'item')
562717546168 refactoring...
casties
parents:
diff changeset
458
562717546168 refactoring...
casties
parents:
diff changeset
459 for i in range(0,container.urlFunctions.zUrlopenLength(itemnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
460 itemnode=container.urlFunctions.zUrlopenGetItem(itemnodes,i)
562717546168 refactoring...
casties
parents:
diff changeset
461 itemspatialnodes=container.urlFunctions.zUrlopenGetElementsByTagName(itemnode,'spatial')
562717546168 refactoring...
casties
parents:
diff changeset
462 for j in range(0,container.urlFunctions.zUrlopenLength(itemspatialnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
463 coord=[]
562717546168 refactoring...
casties
parents:
diff changeset
464 itemspatialnode= container.urlFunctions.zUrlopenGetItem(itemspatialnodes,j)
562717546168 refactoring...
casties
parents:
diff changeset
465 itemspatiallatnodes=container.urlFunctions.zUrlopenGetElementsByTagName(itemspatialnode,'degrees_latitude')
562717546168 refactoring...
casties
parents:
diff changeset
466 for k in range(0,container.urlFunctions.zUrlopenLength(itemspatiallatnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
467 itemspatiallatnode= container.urlFunctions.zUrlopenGetItem(itemspatiallatnodes,k)
562717546168 refactoring...
casties
parents:
diff changeset
468 coord.append(container.urlFunctions.zUrlopenGetTextData(itemspatiallatnode))
562717546168 refactoring...
casties
parents:
diff changeset
469 itemspatiallngnodes=container.urlFunctions.zUrlopenGetElementsByTagName(itemspatialnode,'degrees_longitude')
562717546168 refactoring...
casties
parents:
diff changeset
470 for k in range(0,container.urlFunctions.zUrlopenLength(itemspatiallngnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
471 itemspatiallngnode= container.urlFunctions.zUrlopenGetItem(itemspatiallngnodes,k)
562717546168 refactoring...
casties
parents:
diff changeset
472 coord.append(container.urlFunctions.zUrlopenGetTextData(itemspatiallngnode))
562717546168 refactoring...
casties
parents:
diff changeset
473 coordlist.append(coord)
562717546168 refactoring...
casties
parents:
diff changeset
474 gis_id= "_"+gis_id
562717546168 refactoring...
casties
parents:
diff changeset
475 return coordlist
562717546168 refactoring...
casties
parents:
diff changeset
476
562717546168 refactoring...
casties
parents:
diff changeset
477 # End for GoogleMaps creation
562717546168 refactoring...
casties
parents:
diff changeset
478
562717546168 refactoring...
casties
parents:
diff changeset
479 def RESTwrite2File(self,datadir, name,text):
562717546168 refactoring...
casties
parents:
diff changeset
480 logging.debug("RESTwrite2File datadir=%s name=%s"%(datadir,name))
562717546168 refactoring...
casties
parents:
diff changeset
481 try:
562717546168 refactoring...
casties
parents:
diff changeset
482 import cStringIO as StringIO
562717546168 refactoring...
casties
parents:
diff changeset
483 except:
562717546168 refactoring...
casties
parents:
diff changeset
484 import StringIO
562717546168 refactoring...
casties
parents:
diff changeset
485
562717546168 refactoring...
casties
parents:
diff changeset
486 # make filehandle from string
562717546168 refactoring...
casties
parents:
diff changeset
487 textfile = StringIO.StringIO(text)
562717546168 refactoring...
casties
parents:
diff changeset
488 fileid=name
562717546168 refactoring...
casties
parents:
diff changeset
489 if fileid in datadir.objectIds():
562717546168 refactoring...
casties
parents:
diff changeset
490 datadir.manage_delObjects(fileid)
562717546168 refactoring...
casties
parents:
diff changeset
491 fileInZope=datadir.manage_addFile(id=fileid,file=textfile)
562717546168 refactoring...
casties
parents:
diff changeset
492 return "Write successful"
562717546168 refactoring...
casties
parents:
diff changeset
493
562717546168 refactoring...
casties
parents:
diff changeset
494 def manage_editRestDbGisApi(self, title=None, connection_id=None,
562717546168 refactoring...
casties
parents:
diff changeset
495 REQUEST=None):
562717546168 refactoring...
casties
parents:
diff changeset
496 """Change the object"""
562717546168 refactoring...
casties
parents:
diff changeset
497 if title is not None:
562717546168 refactoring...
casties
parents:
diff changeset
498 self.title = title
562717546168 refactoring...
casties
parents:
diff changeset
499
562717546168 refactoring...
casties
parents:
diff changeset
500 if connection_id is not None:
562717546168 refactoring...
casties
parents:
diff changeset
501 self.connection_id = connection_id
562717546168 refactoring...
casties
parents:
diff changeset
502
562717546168 refactoring...
casties
parents:
diff changeset
503 #checkPermission=getSecurityManager().checkPermission
562717546168 refactoring...
casties
parents:
diff changeset
504 REQUEST.RESPONSE.redirect('manage_main')
562717546168 refactoring...
casties
parents:
diff changeset
505
562717546168 refactoring...
casties
parents:
diff changeset
506
562717546168 refactoring...
casties
parents:
diff changeset
507 manage_addRestDbGisApiForm=PageTemplateFile('zpt/addRestDbGisApi',globals())
562717546168 refactoring...
casties
parents:
diff changeset
508
562717546168 refactoring...
casties
parents:
diff changeset
509 def manage_addRestDbGisApi(self, id, title='', label='', description='',
562717546168 refactoring...
casties
parents:
diff changeset
510 createPublic=0,
562717546168 refactoring...
casties
parents:
diff changeset
511 createUserF=0,
562717546168 refactoring...
casties
parents:
diff changeset
512 REQUEST=None):
562717546168 refactoring...
casties
parents:
diff changeset
513 """Add a new object with id *id*."""
562717546168 refactoring...
casties
parents:
diff changeset
514
562717546168 refactoring...
casties
parents:
diff changeset
515 ob=RestDbGisApi(str(id),title)
562717546168 refactoring...
casties
parents:
diff changeset
516 self._setObject(id, ob)
562717546168 refactoring...
casties
parents:
diff changeset
517
562717546168 refactoring...
casties
parents:
diff changeset
518 #checkPermission=getSecurityManager().checkPermission
562717546168 refactoring...
casties
parents:
diff changeset
519 REQUEST.RESPONSE.redirect('manage_main')
562717546168 refactoring...
casties
parents:
diff changeset
520
562717546168 refactoring...
casties
parents:
diff changeset
521