annotate RestDbGisApi.py @ 142:3adea92d2067

polygon-Layers
author fknauft
date Thu, 03 Feb 2011 12:36:53 +0100
parents 771e7b3af615
children abc95f483315
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1 '''
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2 Created on 2.9.2010
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3
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4 @author: casties, fknauft
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5 '''
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6
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7 from OFS.Folder import Folder
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8 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
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9 from Products.ZSQLExtend import ZSQLExtend
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10 import logging
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11 import re
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12 import time
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13 import datetime
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14 import urllib
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15
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16 from RestDbInterface import *
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17
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18
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19
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20 def kmlEncode(s):
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21 """returns string encoded for displaying in KML attribute"""
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22 res = s.replace("'","__Apostroph__")
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23 res = res.replace('"','__DoubleApostroph__')
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24 res = res.replace(';','__$$__')
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25 res = res.replace('&','&')
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26 return res
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27
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28
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29 class RestDbGisApi(RestDbInterface):
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30 """Object for RESTful GIS database queries
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31 path schema: /db/{schema}/{table}/
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32 omitting table gives a list of schemas
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33 omitting table and schema gives a list of schemas
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34 """
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35
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36 meta_type="RESTgis"
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37
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38 # data templates
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39 GIS_schema_table = PageTemplateFile('zpt/GIS_schema_table', globals())
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40 KML_schema_table = PageTemplateFile('zpt/KML_schema_table', globals())
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41 HTML_schema_usertables = PageTemplateFile('zpt/HTML_schema_usertables', globals())
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42
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43 # and scripts
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44 def KML_URL_schema_table(self,schema,table):
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45 """KML_URL table function"""
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46 self.REQUEST.RESPONSE.setHeader("Content-Type", "text/plain")
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47 id = self.REQUEST.get('id',[])
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48 doc = self.REQUEST.get('doc',None)
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49 return self.getLiveKmlUrl(schema=schema,table=table)
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50
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51 #
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52 # database methods
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53 #
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54 toSqlTypeMap = {
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55 "text": "text",
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56 "number": "numeric",
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57 "id": "text",
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58 "gis_id": "text",
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59 "coord_lat": "numeric",
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60 "coord_lon": "numeric"
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61 }
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62
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63 def getTableOwner(self,schema,table):
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64 """returns the owner of the table"""
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65 # what do we do with the schema?
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66 sql = 'select table_owner from public.gis_table_meta where table_name = %s'
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67 res = self.executeSQL(sql,(table,))
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68 if len(res['rows']) > 0:
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69 return res['rows'][0][0]
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70 return None
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71
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72 def isAllowed(self,action,schema,table,user=None,owner=None):
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73 """returns if the requested action on the table is allowed"""
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74 if user is None:
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75 user = self.REQUEST.get('AUTHENTICATED_USER',None)
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76 logging.debug("isAllowed action=%s schema=%s table=%s user=%s"%(action,schema,table,user))
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77 if action == "create":
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78 if user is not None and str(user) != 'Anonymous User':
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79 # any authenticated user can create
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80 return True
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81 else:
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82 return False
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83
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84 if action == "update":
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85 if owner is None:
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86 owner = self.getTableOwner(schema,table)
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87 logging.debug("isAllowed user=%s owner=%s"%(user,owner))
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88 if user is not None and str(user) == str(owner):
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89 # update only your own table
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90 return True
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91 else:
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92 return False
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93
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94 # anything else is allowed
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95 return True
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96
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97 def setTableMetaTypes(self,schema,table,fields,user=None):
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98 """sets the GIS meta information for table"""
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99 if user is None:
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100 user = self.REQUEST.get('AUTHENTICATED_USER',None)
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101
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102 logging.debug("settablemetatypes schema=%s, table=%s, fields=%s user=%s"%(schema,table,fields,user))
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103
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104 today = datetime.date.today().isoformat()
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105
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106 res = self.executeSQL('select * from public.gis_table_meta where table_name = %s', (table,))
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107 if len(res['rows']) > 0:
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108 # meta record exists
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109 sql = 'update public.gis_table_meta set table_owner=%s, table_modified=%s where table_name=%s'
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110 self.executeSQL(sql, (str(user),today,table), hasResult=False)
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111 else:
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112 # new meta record
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113 sql = 'insert into public.gis_table_meta (table_name,table_owner,table_created) values (%s,%s,%s)'
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114 self.executeSQL(sql, (table,str(user),today), hasResult=False)
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115
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116 # update row info
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117 sql = 'delete from public.gis_table_meta_rows where table_name=%s'
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118 self.executeSQL(sql,(table,),hasResult=False)
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119 sql = 'insert into public.gis_table_meta_rows (table_name,field_name,gis_type) values (%s,%s,%s)'
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120 for f in fields:
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121 t = f['type']
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122 fn = f['name']
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123 self.executeSQL(sql, (table,fn,t), hasResult=False)
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124
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125
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126 def getListOfUserTables(self,schema='public',username='guest'):
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127 """return list of tables"""
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128 logging.debug("getlistofusertables")
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129 # get list of db tables
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130 # qstr = """SELECT t.table_name FROM information_schema.tables t, public.gis_table_meta m WHERE t.table_type = 'BASE TABLE'
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131 # AND t.table_schema = %s AND t.table_name = m.table_name ORDER BY 1"""
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132 qstr = """SELECT t.table_name FROM information_schema.tables t, public.gis_table_meta m
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133 WHERE t.table_schema = %s AND t.table_name = m.table_name ORDER BY 1"""
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134
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135 data=self.executeSQL(qstr,(schema,))
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136 return data
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137
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138
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139 def createEmptyTable(self,schema,table,fields):
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140 """create a table with the given fields
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141 returns list of created fields"""
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142 sqlFields = RestDbInterface.createEmptyTable(self,schema,table,fields)
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143 if sqlFields is not None:
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144 self.setTableMetaTypes(schema,table,sqlFields)
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145
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146 return sqlFields
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147
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148
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149 def getLiveKmlUrl(self,schema,table,useTimestamp=True,REQUEST=None):
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150 if REQUEST is None:
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151 REQUEST = self.REQUEST
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152 logging.debug("getLiveKmlUrl")
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153 baseUrl = self.absolute_url()
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154 timestamp = time.time()
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155 # filter parameters in URL and add to new URL
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156 params = [p for p in REQUEST.form.items() if p[0] not in ('format','timestamp')]
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157 params.append(('format','KML'))
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158 if useTimestamp:
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159 # add timestamp so URL changes every time
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160 params.append(('timestamp',timestamp))
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161 paramstr = urllib.urlencode(params)
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162 return "%s/db/%s/%s?%s"%(baseUrl,schema,table,paramstr)
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163
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164 def getKmlData(self, schema, table, ids=None, sortBy=1, gisIdField=None, latField=None, lonField=None, geomField="point", colorField="red"):
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165 """returns data structure for KML template"""
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166 logging.debug("getKMLdata gid=%s lat=%s lon=%s"%(gisIdField,latField,lonField))
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167 # Mapping a set of points from table-based SQL-query:
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168 qstr='SELECT * FROM "%s"."%s"'%(schema,table)
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169 idList = None
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170 if ids is not None:
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171 qstr += ' WHERE '
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172 if table=='mpdl':
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173 qstr += 'mpdl_xmlsource_id IN ('
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174 else:
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175 qstr += 'CAST(id AS text) IN ('
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176
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177 idList = ids.split(",")
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178 qstr += ','.join(['%s' for i in idList])
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179 qstr += ')'
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180
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181 if sortBy:
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182 # add sort clause
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183 if sortBy == 1:
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184 qstr += ' ORDER BY 1'
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185 else:
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186 # TODO: proper quoting for names
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187 qstr += ' ORDER BY "%s"'%sortBy.replace('"','')
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188
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189 data = self.executeSQL(qstr,idList)
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190
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191 fieldMap = self.getFieldNameMap(data['fields'])
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192 try:
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193 geomstr='select astext(st_simplify(transform(the_geom,4326),0.02)) from "%s"."%s"'%(schema,table)
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194 geomdata=self.executeSQL(geomstr)
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195 except:
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196 geomdata=None
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197
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198 if (gisIdField is None) and (latField is None or lonField is None):
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199 # no fields given - choose automagically
93
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200 sql = 'SELECT field_name FROM public.gis_table_meta_rows WHERE table_name = %s and gis_type = %s'
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201 # gis id in metadata first
61
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diff changeset
202 res = self.executeSQL(sql, (table,'gis_id'))
55
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203 if len(res['rows']) > 0:
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diff changeset
204 gisIdField = res['rows'][0][0]
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205 else:
93
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206 # latitude in metadata
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207 res = self.executeSQL(sql, (table,'coord_lat'))
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diff changeset
208 if len(res['rows']) > 0:
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diff changeset
209 latField = res['rows'][0][0]
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210 # longitude in metadata
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211 res = self.executeSQL(sql, (table,'coord_lon'))
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212 if len(res['rows']) > 0:
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213 lonField = res['rows'][0][0]
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214
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215 if (gisIdField is None) and (latField is None or lonField is None):
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216 logging.warning("no entry in metadata table for table %s" % table)
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217 # still no fields - try field names
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218 if 'latitude' in fieldMap and 'longitude' in fieldMap:
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219 latField = 'latitude'
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220 lonField = 'longitude'
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diff changeset
221 elif 'x_coord' in fieldMap and 'y_coord' in fieldMap:
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222 latField = 'x_coord'
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223 lonField = 'y_coord'
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224 else:
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225 logging.error("getKMLdata unable to find position fields")
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226 return None
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diff changeset
227
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228
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229 # convert field names to row indexes
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230 gisIdIdx = fieldMap.get(gisIdField,None)
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231 latIdx = fieldMap.get(latField,None)
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232 lonIdx = fieldMap.get(lonField,None)
117
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233 the_geom=fieldMap.get("the_geom",None)
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234 logging.debug("gisidfield=%s idx=%s"%(gisIdField,gisIdIdx))
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235
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diff changeset
236 # convert data
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237 kmlData = []
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diff changeset
238 for dataset in data['rows']:
65
2f477270cc0c adding layers to maps works now
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239 xCoord = 0.0
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240 yCoord = 0.0
55
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241 if gisIdIdx is not None:
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diff changeset
242 gisID = dataset[gisIdIdx]
58
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
243 coords=self.getPointForChGisId(gisID)
55
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244 if coords!=None:
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diff changeset
245 xCoord=coords[0]
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diff changeset
246 yCoord=coords[1]
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247
2f4c427dec44 wrangled kml construction into template and method
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248 elif latIdx is not None:
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diff changeset
249 xCoord = dataset[lonIdx]
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diff changeset
250 yCoord = dataset[latIdx]
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251
2f4c427dec44 wrangled kml construction into template and method
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252 else:
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diff changeset
253 logging.error("getKMLdata unable to find position")
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254 return None
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255
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
256 if float(xCoord) == 0.0:
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diff changeset
257 continue
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
258
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
259 if float(yCoord) == 0.0:
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
260 continue
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
261
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
262 kmlPlace = {}
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263
2f4c427dec44 wrangled kml construction into template and method
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264 # description
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265 desc = ''
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diff changeset
266 i = -1
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
267 for value in dataset:
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268 i += 1
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diff changeset
269 name = data['fields'][i][0]
58
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
270 #logging.debug("value=%s"%value)
55
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
271 if value != None:
57
b47314bcff37 connect lines works now
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diff changeset
272 #if name.find('name')>-1:
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273 # desc += "<name>%s</name>\n"%value
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diff changeset
274 # continue
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diff changeset
275 #elif name.find('place')>-1:
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diff changeset
276 # desc += "<name>%s</name>\n"%value
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diff changeset
277 # continue
55
2f4c427dec44 wrangled kml construction into template and method
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278
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
279 val = "%s: %s"%(name, value)
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diff changeset
280 if val.find('http')>-1:
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
281 val ='<a href="' + val + '" target="_blank">' + val + '</a>'
2f4c427dec44 wrangled kml construction into template and method
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282
57
b47314bcff37 connect lines works now
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diff changeset
283 #desc += kmlEncode(val)
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diff changeset
284 desc += val
55
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
285 desc += '<br/>\n'
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
286
57
b47314bcff37 connect lines works now
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diff changeset
287 #kmlPlace['description'] = "<![CDATA[%s]]>"%desc
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diff changeset
288 kmlPlace['description'] = desc
124
8668d76a7b6a polygon-Layers
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parents: 123
diff changeset
289
133
8a4201f31ca9 polygon-Layers
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parents: 131
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290 if geomField=='point':
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291 kmlPlace['icon'] = '#marker_icon_'+colorField
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diff changeset
292 kmlPlace['coord_x'] = str(xCoord)
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diff changeset
293 kmlPlace['coord_y'] = str(yCoord)
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diff changeset
294 kmlPlace['coord_z'] = '0'
134
649681baae76 polygon-Layers
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parents: 133
diff changeset
295 kmlData.append(kmlPlace)
135
ac22bb1e3212 polygon-Layers
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parents: 134
diff changeset
296 if geomField=='poly' and len(geomdata)>0:
ac22bb1e3212 polygon-Layers
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parents: 134
diff changeset
297 geom_list=geomdata.values()
142
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
298 polys=str(geom_list[1]).split('(')[4].split(')')
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
299 for poly in polys:
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
300 coords=poly.split(',')
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
301 coord_string=''
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parents: 138
diff changeset
302 for coord in coords:
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parents: 138
diff changeset
303 coord=coord.split(' ')
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
304 try:
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
305 x_coord=coord[0]
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
306 y_coord=coord[1]
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
307 except:
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
308 break
3adea92d2067 polygon-Layers
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parents: 138
diff changeset
309 coord_string+=x_coord+','+y_coord+','+'0 \n'
136
42d7cd64e87c polygon-Layers
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parents: 135
diff changeset
310 kmlPlace['LinearRing']=coord_string
42d7cd64e87c polygon-Layers
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diff changeset
311 kmlPlace['LineColor']=colorField
135
ac22bb1e3212 polygon-Layers
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diff changeset
312 kmlData.append(kmlPlace)
55
2f4c427dec44 wrangled kml construction into template and method
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313 #logging.debug("kmlData=%s"%(repr(kmlData)))
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diff changeset
314 return kmlData
58
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
315
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
316 def getPointForChGisId(self, gis_id):
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
317 """returns coordinate pair for given gis_id"""
59
a5f2550a5b44 more cleanup in kml generation
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diff changeset
318 def getPoint(id):
a5f2550a5b44 more cleanup in kml generation
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diff changeset
319 sql="SELECT x_coord,y_coord FROM chgis.chgis_coords WHERE gis_id = %s"
a5f2550a5b44 more cleanup in kml generation
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diff changeset
320 res = self.executeSQL(sql, (gis_id,))
a5f2550a5b44 more cleanup in kml generation
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diff changeset
321 if len(res['rows']) > 0:
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diff changeset
322 return res['rows'][0]
a5f2550a5b44 more cleanup in kml generation
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diff changeset
323 return None
55
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
324
58
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
325 if gis_id is None or gis_id == "":
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
326 return None
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
327
59
a5f2550a5b44 more cleanup in kml generation
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diff changeset
328 # try gis_id
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diff changeset
329 coords = getPoint(gis_id)
a5f2550a5b44 more cleanup in kml generation
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diff changeset
330 if coords is None:
58
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
331 # try to clean gis_id...
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
332 gis_id = re.sub(r'[^0-9]','',gis_id)
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
333 # try again
59
a5f2550a5b44 more cleanup in kml generation
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diff changeset
334 coords = getPoint(gis_id)
a5f2550a5b44 more cleanup in kml generation
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diff changeset
335 if coords is None:
58
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
336 logging.error("CH-GIS ID %s not found!"%repr(gis_id))
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
337
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
338 # TODO: do we need the getCoordsFromREST_gisID stuff?
5ed0769f5ad3 more cleanup in kml generation
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diff changeset
339
59
a5f2550a5b44 more cleanup in kml generation
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diff changeset
340 return coords
a5f2550a5b44 more cleanup in kml generation
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diff changeset
341
55
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
342
59
a5f2550a5b44 more cleanup in kml generation
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diff changeset
343 ## legacy methods...
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diff changeset
344
a5f2550a5b44 more cleanup in kml generation
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diff changeset
345 def getKmlUrl(self,schema='chgis',table='mpdl',id=[],doc=None):
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diff changeset
346 logging.debug("getKmlUrl")
a5f2550a5b44 more cleanup in kml generation
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diff changeset
347 data = self.getDataForGoogleMap(schema,table,id,doc)
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diff changeset
348 kml=self.getKMLname(data=data,table=table)
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diff changeset
349 baseUrl = self.absolute_url()
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diff changeset
350 return "%s/daten/%s"%(baseUrl,kml)
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diff changeset
351
a5f2550a5b44 more cleanup in kml generation
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diff changeset
352 def getDataForGoogleMap(self,schema='chgis',table='mpdl',id=None,doc=None):
a5f2550a5b44 more cleanup in kml generation
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diff changeset
353 logging.debug("getDataForGoogleMap")
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diff changeset
354 qstr="SELECT * FROM "+schema+"."+table
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
355 try:
a5f2550a5b44 more cleanup in kml generation
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diff changeset
356 if id is not None:
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diff changeset
357 qstr=qstr+" WHERE "
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
358 for id_item in id.split(","):
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parents: 58
diff changeset
359 if table=='mpdl':
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
360 qstr=qstr+" mpdl_xmlsource_id = '"+id_item+ "' OR"
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
361 else:
a5f2550a5b44 more cleanup in kml generation
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diff changeset
362 qstr=qstr+" cast(id as text) LIKE '"+id_item+ "' OR"
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
363 qstr=str(qstr).rsplit(" ",1)[0] #to remove last " and "
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
364 data=self.ZSQLSimpleSearch(qstr)
a5f2550a5b44 more cleanup in kml generation
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parents: 58
diff changeset
365 return data
a5f2550a5b44 more cleanup in kml generation
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diff changeset
366 except:
a5f2550a5b44 more cleanup in kml generation
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diff changeset
367 return qstr
55
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
368
2f4c427dec44 wrangled kml construction into template and method
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diff changeset
369
43
562717546168 refactoring...
casties
parents:
diff changeset
370 def getKMLname(self,data=[],table=""):
562717546168 refactoring...
casties
parents:
diff changeset
371 logging.debug("getKMLname")
562717546168 refactoring...
casties
parents:
diff changeset
372 #session=context.REQUEST.SESSION
109
9db303437b32 changable color for dots in map
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parents: 108
diff changeset
373 kml4Marker="<kml xmlns=\'http://www.opengis.net/kml/2.2\'><Document>"
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parents: 108
diff changeset
374 kml4Marker+="<Style id=\'marker_icon_red\'><IconStyle><scale>15</scale><Icon><href>http://mappit.mpiwg-berlin.mpg.de/mappit/icons/dot_red.png</href></Icon></IconStyle></Style>\n"
9db303437b32 changable color for dots in map
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diff changeset
375 kml4Marker+="<Style id=\'marker_icon_black\'><IconStyle><scale>15</scale><Icon><href>http://mappit.mpiwg-berlin.mpg.de/mappit/icons/dot_black.png</href></Icon></IconStyle></Style>\n"
9db303437b32 changable color for dots in map
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parents: 108
diff changeset
376 kml4Marker+="<Style id=\'marker_icon_blue\'><IconStyle><scale>15</scale><Icon><href>http://mappit.mpiwg-berlin.mpg.de/mappit/icons/dot_blue.png</href></Icon></IconStyle></Style>\n"
9db303437b32 changable color for dots in map
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parents: 108
diff changeset
377 kml4Marker+="<Style id=\'marker_icon_green\'><IconStyle><scale>15</scale><Icon><href>http://mappit.mpiwg-berlin.mpg.de/mappit/icons/dot_green.png</href></Icon></IconStyle></Style>\n"
9db303437b32 changable color for dots in map
fknauft
parents: 108
diff changeset
378 kml4Marker+="<Style id=\'marker_icon_violett\'><IconStyle><scale>15</scale><Icon><href>http://mappit.mpiwg-berlin.mpg.de/mappit/icons/dot_violett.png</href></Icon></IconStyle></Style>\n"
43
562717546168 refactoring...
casties
parents:
diff changeset
379 initializeStringForGoogleMaps=""
562717546168 refactoring...
casties
parents:
diff changeset
380 #doLine=container.getVar('doLine')
562717546168 refactoring...
casties
parents:
diff changeset
381 # Mapping a set of points from table-based SQL-query:
562717546168 refactoring...
casties
parents:
diff changeset
382 if data!=None:
562717546168 refactoring...
casties
parents:
diff changeset
383 try:
562717546168 refactoring...
casties
parents:
diff changeset
384 SQL='SELECT "attribute with gis_id" FROM public.metadata WHERE tablename = %s'
562717546168 refactoring...
casties
parents:
diff changeset
385 res = self.executeSQL(SQL, (table,))
562717546168 refactoring...
casties
parents:
diff changeset
386 gisIDattribute = res['rows'][0][0]
562717546168 refactoring...
casties
parents:
diff changeset
387 except:
562717546168 refactoring...
casties
parents:
diff changeset
388 return "table not registered within metadata"
562717546168 refactoring...
casties
parents:
diff changeset
389
562717546168 refactoring...
casties
parents:
diff changeset
390 for dataset in data:
562717546168 refactoring...
casties
parents:
diff changeset
391 try:
562717546168 refactoring...
casties
parents:
diff changeset
392 xCoord=getattr(dataset,'longitude')
562717546168 refactoring...
casties
parents:
diff changeset
393 yCoord=getattr(dataset,'latitude')
562717546168 refactoring...
casties
parents:
diff changeset
394 except:
562717546168 refactoring...
casties
parents:
diff changeset
395 try:
562717546168 refactoring...
casties
parents:
diff changeset
396 xCoord=getattr(dataset,'x_coord')
562717546168 refactoring...
casties
parents:
diff changeset
397 yCoord=getattr(dataset,'y_coord')
562717546168 refactoring...
casties
parents:
diff changeset
398 except:
562717546168 refactoring...
casties
parents:
diff changeset
399 #try:
562717546168 refactoring...
casties
parents:
diff changeset
400 gisID=getattr(dataset,gisIDattribute)
562717546168 refactoring...
casties
parents:
diff changeset
401 coords=self.getPoint4GISid(gisID)
562717546168 refactoring...
casties
parents:
diff changeset
402 if coords!=None:
562717546168 refactoring...
casties
parents:
diff changeset
403 xCoord=coords[0]
562717546168 refactoring...
casties
parents:
diff changeset
404 yCoord=coords[1]
562717546168 refactoring...
casties
parents:
diff changeset
405 # except:
562717546168 refactoring...
casties
parents:
diff changeset
406 # return "no coordinates found"
562717546168 refactoring...
casties
parents:
diff changeset
407
562717546168 refactoring...
casties
parents:
diff changeset
408 if float(xCoord)!=0:
562717546168 refactoring...
casties
parents:
diff changeset
409 if float(yCoord)!=0:
562717546168 refactoring...
casties
parents:
diff changeset
410 kml4Marker=kml4Marker+"<Placemark>"
562717546168 refactoring...
casties
parents:
diff changeset
411 kml4Marker=kml4Marker+"<description> <![CDATA[<b>"
562717546168 refactoring...
casties
parents:
diff changeset
412 for values in dataset:
55
2f4c427dec44 wrangled kml construction into template and method
casties
parents: 44
diff changeset
413 #logging.debug("values=%s"%repr(values))
43
562717546168 refactoring...
casties
parents:
diff changeset
414 if values != (None, None):
562717546168 refactoring...
casties
parents:
diff changeset
415 if str(values).find('name')>-1:
562717546168 refactoring...
casties
parents:
diff changeset
416 kml4Marker=kml4Marker+"<name>"+str(values[1])+"</name>\n"
562717546168 refactoring...
casties
parents:
diff changeset
417 continue
562717546168 refactoring...
casties
parents:
diff changeset
418 elif str(values).find('place')>-1:
562717546168 refactoring...
casties
parents:
diff changeset
419 kml4Marker=kml4Marker+"<name>"+str(values[1])+"</name>\n"
562717546168 refactoring...
casties
parents:
diff changeset
420 continue
562717546168 refactoring...
casties
parents:
diff changeset
421
562717546168 refactoring...
casties
parents:
diff changeset
422 kml4Marker=kml4Marker+str(values)+": "
562717546168 refactoring...
casties
parents:
diff changeset
423 attribute_string=str(values).replace("'","__Apostroph__")
562717546168 refactoring...
casties
parents:
diff changeset
424 attribute_string=str(attribute_string).replace('"','__DoubleApostroph__')
562717546168 refactoring...
casties
parents:
diff changeset
425 attribute_string=str(attribute_string).replace(';','__$$__')
562717546168 refactoring...
casties
parents:
diff changeset
426 attribute_string=str(attribute_string).replace('&','&amp;')
562717546168 refactoring...
casties
parents:
diff changeset
427 if str(attribute_string).find('http')>-1:
562717546168 refactoring...
casties
parents:
diff changeset
428 attribute_string='<A HREF=' + str(attribute_string) + ' target=_blank>' + str(attribute_string) + '</A>'
562717546168 refactoring...
casties
parents:
diff changeset
429 kml4Marker=kml4Marker+attribute_string+"</a><br>\n"
562717546168 refactoring...
casties
parents:
diff changeset
430
562717546168 refactoring...
casties
parents:
diff changeset
431 kml4Marker=kml4Marker+"]]></description>\n"
117
3369c21b66e0 polygon-Layers
fknauft
parents: 109
diff changeset
432 kml4Marker=kml4Marker+"<styleURL>#marker_icon_red</styleURL>\n"
43
562717546168 refactoring...
casties
parents:
diff changeset
433 kml4Marker=kml4Marker+"<Point>"
562717546168 refactoring...
casties
parents:
diff changeset
434
562717546168 refactoring...
casties
parents:
diff changeset
435 kml4Marker=kml4Marker+"<coordinates>"+str(xCoord)+","+str(yCoord)+",0</coordinates>\n"
562717546168 refactoring...
casties
parents:
diff changeset
436 kml4Marker=kml4Marker+"</Point>\n"
562717546168 refactoring...
casties
parents:
diff changeset
437 kml4Marker=kml4Marker+"</Placemark>\n"
562717546168 refactoring...
casties
parents:
diff changeset
438
562717546168 refactoring...
casties
parents:
diff changeset
439 kml4Marker=kml4Marker+"</Document>\n</kml>"
562717546168 refactoring...
casties
parents:
diff changeset
440 kmlFileName="marker"+str(time.time())+".kml"
562717546168 refactoring...
casties
parents:
diff changeset
441
562717546168 refactoring...
casties
parents:
diff changeset
442 #kml4Marker=str(kml4Marker).replace('&','$$')
562717546168 refactoring...
casties
parents:
diff changeset
443 #kml4Marker=str(kml4Marker).replace(';','__$$__')
562717546168 refactoring...
casties
parents:
diff changeset
444 #kml4Marker=str(kml4Marker).replace('#','__SHARP__')
562717546168 refactoring...
casties
parents:
diff changeset
445 isLoadReady='false'
562717546168 refactoring...
casties
parents:
diff changeset
446 while isLoadReady=='false':
562717546168 refactoring...
casties
parents:
diff changeset
447 isLoadReady=self.RESTwrite2File(self.daten,kmlFileName,kml4Marker)
562717546168 refactoring...
casties
parents:
diff changeset
448
562717546168 refactoring...
casties
parents:
diff changeset
449 return kmlFileName
562717546168 refactoring...
casties
parents:
diff changeset
450
44
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
451 # def getGoogleMapString(self,kml):
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
452 # logging.debug("getGoogleMapString")
c6c47034d2a4 more refactoring of templates
casties
parents: 43
diff changeset
453 # 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
454 # return printed
43
562717546168 refactoring...
casties
parents:
diff changeset
455
562717546168 refactoring...
casties
parents:
diff changeset
456 def getPoint4GISid(self,gis_id):
562717546168 refactoring...
casties
parents:
diff changeset
457 j=0
562717546168 refactoring...
casties
parents:
diff changeset
458 coords=(0,0)
562717546168 refactoring...
casties
parents:
diff changeset
459 if gis_id != None:
562717546168 refactoring...
casties
parents:
diff changeset
460 while (True):
562717546168 refactoring...
casties
parents:
diff changeset
461 j=j+1
562717546168 refactoring...
casties
parents:
diff changeset
462 if (j>100): # FJK: just to prevent endless loops
562717546168 refactoring...
casties
parents:
diff changeset
463 break
562717546168 refactoring...
casties
parents:
diff changeset
464 if (gis_id.isdigit()): # FJK: regular exit from while-loop
562717546168 refactoring...
casties
parents:
diff changeset
465 break
562717546168 refactoring...
casties
parents:
diff changeset
466 else:
562717546168 refactoring...
casties
parents:
diff changeset
467 gis_id=gis_id.strip('abcdefghijklmnopqrstuvwxyz_') # FJK: to strip all letters
562717546168 refactoring...
casties
parents:
diff changeset
468 gis_id=gis_id.strip() # FJK: to strip all whitespaces
562717546168 refactoring...
casties
parents:
diff changeset
469 resultpoint = [0,0]
562717546168 refactoring...
casties
parents:
diff changeset
470 results = None
562717546168 refactoring...
casties
parents:
diff changeset
471 try:
562717546168 refactoring...
casties
parents:
diff changeset
472 if int(gis_id)>0:
562717546168 refactoring...
casties
parents:
diff changeset
473 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
474 results=self.ZSQLSimpleSearch(SQL)
562717546168 refactoring...
casties
parents:
diff changeset
475 #print results
562717546168 refactoring...
casties
parents:
diff changeset
476 if results != None:
562717546168 refactoring...
casties
parents:
diff changeset
477 for result in results:
562717546168 refactoring...
casties
parents:
diff changeset
478 resultpoint=[getattr(result,str('x_coord')),getattr(result,str('y_coord'))]
562717546168 refactoring...
casties
parents:
diff changeset
479 if resultpoint !=[0,0]:
562717546168 refactoring...
casties
parents:
diff changeset
480 return resultpoint
562717546168 refactoring...
casties
parents:
diff changeset
481 else:
562717546168 refactoring...
casties
parents:
diff changeset
482 coords=self.getCoordsFromREST_gisID(joinid)
562717546168 refactoring...
casties
parents:
diff changeset
483 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
484 returnstring=self.ZSQLSimpleSearch(SQL)
562717546168 refactoring...
casties
parents:
diff changeset
485 return coords[0]
562717546168 refactoring...
casties
parents:
diff changeset
486 except:
562717546168 refactoring...
casties
parents:
diff changeset
487 return "gis_id not to interpretable:"+str(gis_id)
562717546168 refactoring...
casties
parents:
diff changeset
488 else:
562717546168 refactoring...
casties
parents:
diff changeset
489 return coords[0]
562717546168 refactoring...
casties
parents:
diff changeset
490
562717546168 refactoring...
casties
parents:
diff changeset
491 def getCoordsFromREST_gisID(self,gis_id):
562717546168 refactoring...
casties
parents:
diff changeset
492 coordlist=[]
562717546168 refactoring...
casties
parents:
diff changeset
493 i=0
562717546168 refactoring...
casties
parents:
diff changeset
494 while (i<5 and coordlist==[]):
562717546168 refactoring...
casties
parents:
diff changeset
495
562717546168 refactoring...
casties
parents:
diff changeset
496 urlresponse=container.urlFunctions.zUrlopenParseString(container.urlFunctions.zUrlopenRead("http://chgis.hmdc.harvard.edu/xml/id/"+gis_id))
562717546168 refactoring...
casties
parents:
diff changeset
497 baseDocElement=container.urlFunctions.zUrlopenDocumentElement(urlresponse)
562717546168 refactoring...
casties
parents:
diff changeset
498 childnodes=container.urlFunctions.zUrlopenChildNodes(baseDocElement)
562717546168 refactoring...
casties
parents:
diff changeset
499 itemnodes=container.urlFunctions.zUrlopenGetElementsByTagName(baseDocElement,'item')
562717546168 refactoring...
casties
parents:
diff changeset
500
562717546168 refactoring...
casties
parents:
diff changeset
501 for i in range(0,container.urlFunctions.zUrlopenLength(itemnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
502 itemnode=container.urlFunctions.zUrlopenGetItem(itemnodes,i)
562717546168 refactoring...
casties
parents:
diff changeset
503 itemspatialnodes=container.urlFunctions.zUrlopenGetElementsByTagName(itemnode,'spatial')
562717546168 refactoring...
casties
parents:
diff changeset
504 for j in range(0,container.urlFunctions.zUrlopenLength(itemspatialnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
505 coord=[]
562717546168 refactoring...
casties
parents:
diff changeset
506 itemspatialnode= container.urlFunctions.zUrlopenGetItem(itemspatialnodes,j)
562717546168 refactoring...
casties
parents:
diff changeset
507 itemspatiallatnodes=container.urlFunctions.zUrlopenGetElementsByTagName(itemspatialnode,'degrees_latitude')
562717546168 refactoring...
casties
parents:
diff changeset
508 for k in range(0,container.urlFunctions.zUrlopenLength(itemspatiallatnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
509 itemspatiallatnode= container.urlFunctions.zUrlopenGetItem(itemspatiallatnodes,k)
562717546168 refactoring...
casties
parents:
diff changeset
510 coord.append(container.urlFunctions.zUrlopenGetTextData(itemspatiallatnode))
562717546168 refactoring...
casties
parents:
diff changeset
511 itemspatiallngnodes=container.urlFunctions.zUrlopenGetElementsByTagName(itemspatialnode,'degrees_longitude')
562717546168 refactoring...
casties
parents:
diff changeset
512 for k in range(0,container.urlFunctions.zUrlopenLength(itemspatiallngnodes)):
562717546168 refactoring...
casties
parents:
diff changeset
513 itemspatiallngnode= container.urlFunctions.zUrlopenGetItem(itemspatiallngnodes,k)
562717546168 refactoring...
casties
parents:
diff changeset
514 coord.append(container.urlFunctions.zUrlopenGetTextData(itemspatiallngnode))
562717546168 refactoring...
casties
parents:
diff changeset
515 coordlist.append(coord)
562717546168 refactoring...
casties
parents:
diff changeset
516 gis_id= "_"+gis_id
562717546168 refactoring...
casties
parents:
diff changeset
517 return coordlist
562717546168 refactoring...
casties
parents:
diff changeset
518
562717546168 refactoring...
casties
parents:
diff changeset
519 # End for GoogleMaps creation
562717546168 refactoring...
casties
parents:
diff changeset
520
562717546168 refactoring...
casties
parents:
diff changeset
521 def RESTwrite2File(self,datadir, name,text):
562717546168 refactoring...
casties
parents:
diff changeset
522 logging.debug("RESTwrite2File datadir=%s name=%s"%(datadir,name))
562717546168 refactoring...
casties
parents:
diff changeset
523 try:
562717546168 refactoring...
casties
parents:
diff changeset
524 import cStringIO as StringIO
562717546168 refactoring...
casties
parents:
diff changeset
525 except:
562717546168 refactoring...
casties
parents:
diff changeset
526 import StringIO
562717546168 refactoring...
casties
parents:
diff changeset
527
562717546168 refactoring...
casties
parents:
diff changeset
528 # make filehandle from string
562717546168 refactoring...
casties
parents:
diff changeset
529 textfile = StringIO.StringIO(text)
562717546168 refactoring...
casties
parents:
diff changeset
530 fileid=name
562717546168 refactoring...
casties
parents:
diff changeset
531 if fileid in datadir.objectIds():
562717546168 refactoring...
casties
parents:
diff changeset
532 datadir.manage_delObjects(fileid)
562717546168 refactoring...
casties
parents:
diff changeset
533 fileInZope=datadir.manage_addFile(id=fileid,file=textfile)
562717546168 refactoring...
casties
parents:
diff changeset
534 return "Write successful"
562717546168 refactoring...
casties
parents:
diff changeset
535
562717546168 refactoring...
casties
parents:
diff changeset
536 def manage_editRestDbGisApi(self, title=None, connection_id=None,
562717546168 refactoring...
casties
parents:
diff changeset
537 REQUEST=None):
562717546168 refactoring...
casties
parents:
diff changeset
538 """Change the object"""
562717546168 refactoring...
casties
parents:
diff changeset
539 if title is not None:
562717546168 refactoring...
casties
parents:
diff changeset
540 self.title = title
562717546168 refactoring...
casties
parents:
diff changeset
541
562717546168 refactoring...
casties
parents:
diff changeset
542 if connection_id is not None:
562717546168 refactoring...
casties
parents:
diff changeset
543 self.connection_id = connection_id
562717546168 refactoring...
casties
parents:
diff changeset
544
562717546168 refactoring...
casties
parents:
diff changeset
545 #checkPermission=getSecurityManager().checkPermission
562717546168 refactoring...
casties
parents:
diff changeset
546 REQUEST.RESPONSE.redirect('manage_main')
562717546168 refactoring...
casties
parents:
diff changeset
547
562717546168 refactoring...
casties
parents:
diff changeset
548
562717546168 refactoring...
casties
parents:
diff changeset
549 manage_addRestDbGisApiForm=PageTemplateFile('zpt/addRestDbGisApi',globals())
562717546168 refactoring...
casties
parents:
diff changeset
550
562717546168 refactoring...
casties
parents:
diff changeset
551 def manage_addRestDbGisApi(self, id, title='', label='', description='',
562717546168 refactoring...
casties
parents:
diff changeset
552 createPublic=0,
562717546168 refactoring...
casties
parents:
diff changeset
553 createUserF=0,
562717546168 refactoring...
casties
parents:
diff changeset
554 REQUEST=None):
562717546168 refactoring...
casties
parents:
diff changeset
555 """Add a new object with id *id*."""
562717546168 refactoring...
casties
parents:
diff changeset
556
562717546168 refactoring...
casties
parents:
diff changeset
557 ob=RestDbGisApi(str(id),title)
562717546168 refactoring...
casties
parents:
diff changeset
558 self._setObject(id, ob)
562717546168 refactoring...
casties
parents:
diff changeset
559
562717546168 refactoring...
casties
parents:
diff changeset
560 #checkPermission=getSecurityManager().checkPermission
562717546168 refactoring...
casties
parents:
diff changeset
561 REQUEST.RESPONSE.redirect('manage_main')
562717546168 refactoring...
casties
parents:
diff changeset
562
562717546168 refactoring...
casties
parents:
diff changeset
563