Mercurial > hg > ChinaGisRestApi
annotate RestDbGisApi.py @ 261:5b38b50052e4
Display Polygons and Lines via chgis_id
Reload button alternative changed to "R"
| author | fknauft |
|---|---|
| date | Fri, 07 Oct 2011 15:58:07 +0200 |
| parents | e9a1ac7d2ab2 |
| children | 6613b9204bda |
| rev | line source |
|---|---|
| 43 | 1 ''' |
| 2 Created on 2.9.2010 | |
| 3 | |
| 4 @author: casties, fknauft | |
| 5 ''' | |
| 6 | |
| 7 from OFS.Folder import Folder | |
| 8 from Products.PageTemplates.PageTemplateFile import PageTemplateFile | |
| 9 from Products.ZSQLExtend import ZSQLExtend | |
| 10 import logging | |
| 11 import re | |
| 12 import time | |
| 61 | 13 import datetime |
| 247 | 14 import urlFunctions |
| 43 | 15 |
| 16 from RestDbInterface import * | |
| 17 | |
| 18 | |
| 19 | |
| 55 | 20 def kmlEncode(s): |
| 21 """returns string encoded for displaying in KML attribute""" | |
| 22 res = s.replace("'","__Apostroph__") | |
| 23 res = res.replace('"','__DoubleApostroph__') | |
| 24 res = res.replace(';','__$$__') | |
| 25 res = res.replace('&','&') | |
| 26 return res | |
| 27 | |
| 28 | |
| 43 | 29 class RestDbGisApi(RestDbInterface): |
| 30 """Object for RESTful GIS database queries | |
| 31 path schema: /db/{schema}/{table}/ | |
| 32 omitting table gives a list of schemas | |
| 33 omitting table and schema gives a list of schemas | |
| 34 """ | |
| 35 | |
| 36 meta_type="RESTgis" | |
| 37 | |
| 55 | 38 |
| 44 | 39 # and scripts |
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40 def KML_URL_schema_table(self,schema,table, useTimestamp=True, args=None): |
| 44 | 41 """KML_URL table function""" |
| 42 self.REQUEST.RESPONSE.setHeader("Content-Type", "text/plain") | |
| 43 id = self.REQUEST.get('id',[]) | |
| 44 doc = self.REQUEST.get('doc',None) | |
| 245 | 45 # return self.getLiveKmlUrl(schema=schema,table=table, useTimestamp=useTimestamp) |
| 46 return self.getLiveKmlUrl(schema=schema,table=table, useTimestamp=False) | |
| 43 | 47 |
| 61 | 48 # |
| 49 # database methods | |
| 50 # | |
| 70 | 51 toSqlTypeMap = { |
| 52 "text": "text", | |
| 53 "number": "numeric", | |
| 54 "id": "text", | |
| 55 "gis_id": "text", | |
| 56 "coord_lat": "numeric", | |
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57 "coord_lon": "numeric", |
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58 "the_geom": "the_geom" |
| 70 | 59 } |
| 60 | |
| 60 | 61 def getTableOwner(self,schema,table): |
| 62 """returns the owner of the table""" | |
| 61 | 63 # what do we do with the schema? |
| 64 sql = 'select table_owner from public.gis_table_meta where table_name = %s' | |
| 65 res = self.executeSQL(sql,(table,)) | |
| 66 if len(res['rows']) > 0: | |
| 67 return res['rows'][0][0] | |
| 60 | 68 return None |
| 69 | |
| 70 def isAllowed(self,action,schema,table,user=None,owner=None): | |
| 43 | 71 """returns if the requested action on the table is allowed""" |
| 72 if user is None: | |
| 73 user = self.REQUEST.get('AUTHENTICATED_USER',None) | |
| 60 | 74 logging.debug("isAllowed action=%s schema=%s table=%s user=%s"%(action,schema,table,user)) |
| 75 if action == "create": | |
| 76 if user is not None and str(user) != 'Anonymous User': | |
| 77 # any authenticated user can create | |
| 78 return True | |
| 79 else: | |
| 80 return False | |
| 81 | |
| 82 if action == "update": | |
| 83 if owner is None: | |
| 84 owner = self.getTableOwner(schema,table) | |
| 61 | 85 logging.debug("isAllowed user=%s owner=%s"%(user,owner)) |
| 60 | 86 if user is not None and str(user) == str(owner): |
| 87 # update only your own table | |
| 88 return True | |
| 89 else: | |
| 90 return False | |
| 91 | |
| 62 | 92 # anything else is allowed |
| 43 | 93 return True |
| 94 | |
| 61 | 95 def setTableMetaTypes(self,schema,table,fields,user=None): |
| 43 | 96 """sets the GIS meta information for table""" |
| 61 | 97 if user is None: |
| 98 user = self.REQUEST.get('AUTHENTICATED_USER',None) | |
| 99 | |
| 100 logging.debug("settablemetatypes schema=%s, table=%s, fields=%s user=%s"%(schema,table,fields,user)) | |
| 43 | 101 |
| 61 | 102 today = datetime.date.today().isoformat() |
| 103 | |
| 104 res = self.executeSQL('select * from public.gis_table_meta where table_name = %s', (table,)) | |
| 43 | 105 if len(res['rows']) > 0: |
| 106 # meta record exists | |
| 61 | 107 sql = 'update public.gis_table_meta set table_owner=%s, table_modified=%s where table_name=%s' |
| 108 self.executeSQL(sql, (str(user),today,table), hasResult=False) | |
| 43 | 109 else: |
| 110 # new meta record | |
| 61 | 111 sql = 'insert into public.gis_table_meta (table_name,table_owner,table_created) values (%s,%s,%s)' |
| 112 self.executeSQL(sql, (table,str(user),today), hasResult=False) | |
| 113 | |
| 114 # update row info | |
| 115 sql = 'delete from public.gis_table_meta_rows where table_name=%s' | |
| 116 self.executeSQL(sql,(table,),hasResult=False) | |
| 117 sql = 'insert into public.gis_table_meta_rows (table_name,field_name,gis_type) values (%s,%s,%s)' | |
| 118 for f in fields: | |
| 119 t = f['type'] | |
| 120 fn = f['name'] | |
| 121 self.executeSQL(sql, (table,fn,t), hasResult=False) | |
| 43 | 122 |
| 123 | |
| 61 | 124 def getListOfUserTables(self,schema='public',username='guest'): |
| 125 """return list of tables""" | |
| 126 logging.debug("getlistofusertables") | |
| 127 # get list of db tables | |
| 100 | 128 # qstr = """SELECT t.table_name FROM information_schema.tables t, public.gis_table_meta m WHERE t.table_type = 'BASE TABLE' |
| 129 # AND t.table_schema = %s AND t.table_name = m.table_name ORDER BY 1""" | |
| 130 qstr = """SELECT t.table_name FROM information_schema.tables t, public.gis_table_meta m | |
| 131 WHERE t.table_schema = %s AND t.table_name = m.table_name ORDER BY 1""" | |
| 43 | 132 |
| 61 | 133 data=self.executeSQL(qstr,(schema,)) |
| 134 return data | |
| 135 | |
| 43 | 136 |
| 137 def createEmptyTable(self,schema,table,fields): | |
| 138 """create a table with the given fields | |
| 139 returns list of created fields""" | |
| 61 | 140 sqlFields = RestDbInterface.createEmptyTable(self,schema,table,fields) |
| 141 if sqlFields is not None: | |
| 43 | 142 self.setTableMetaTypes(schema,table,sqlFields) |
| 61 | 143 |
| 144 return sqlFields | |
| 43 | 145 |
| 146 | |
| 59 | 147 def getLiveKmlUrl(self,schema,table,useTimestamp=True,REQUEST=None): |
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148 return self.getLiveUrl(schema,table,useTimestamp,REQUEST) |
| 55 | 149 |
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150 def getKmlData(self, schema, table, ids=None, sortBy=1, gisIdField=None, latField=None, lonField=None, geomField="point", colorField="red_big"): |
| 55 | 151 """returns data structure for KML template""" |
| 249 | 152 logging.debug("getKMLdata gid=%s lat=%s lon=%s sortBy=%s geom=%s color=%s"%(gisIdField,latField,lonField,sortBy,geomField,colorField)) |
| 148 | 153 if geomField is None: |
| 154 geomField="point" | |
| 155 if colorField is None: | |
| 156 colorField="red" | |
| 55 | 157 # Mapping a set of points from table-based SQL-query: |
| 158 qstr='SELECT * FROM "%s"."%s"'%(schema,table) | |
| 159 idList = None | |
| 160 if ids is not None: | |
| 161 qstr += ' WHERE ' | |
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162 if schema=='mpdl': |
| 55 | 163 qstr += 'mpdl_xmlsource_id IN (' |
| 164 else: | |
| 165 qstr += 'CAST(id AS text) IN (' | |
| 166 | |
| 167 idList = ids.split(",") | |
| 168 qstr += ','.join(['%s' for i in idList]) | |
| 169 qstr += ')' | |
| 170 | |
| 58 | 171 if sortBy: |
| 172 # add sort clause | |
| 59 | 173 if sortBy == 1: |
| 174 qstr += ' ORDER BY 1' | |
| 249 | 175 elif sortBy == 'Default': |
| 176 qstr += ' ORDER BY 1' | |
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177 elif sortBy == 'undefined': |
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178 qstr += ' ORDER BY 1' |
| 59 | 179 else: |
| 180 # TODO: proper quoting for names | |
| 181 qstr += ' ORDER BY "%s"'%sortBy.replace('"','') | |
| 245 | 182 bad_luck=True |
| 183 bl_counter=0 | |
| 184 while (bad_luck): | |
| 185 try: | |
| 186 data = self.executeSQL(qstr,idList) | |
| 187 bad_luck=False | |
| 188 bl_counter=bl_counter+1 | |
| 189 except: | |
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190 if (bl_counter<5): |
| 245 | 191 bad_luck=True |
| 192 else: | |
| 193 bad_luck=False | |
| 194 | |
| 55 | 195 fieldMap = self.getFieldNameMap(data['fields']) |
| 261 | 196 geomdata=None |
| 247 | 197 if (geomField!="point"): |
| 261 | 198 # first check if the file is registered as geo-dataset (which then should have an attribute "the_geom") |
| 199 requeststring="select f_geometry_column from geometry_columns where f_table_schema=%s and f_table_name=%s " | |
| 200 geocolumn_res=self.executeSQL(requeststring,(schema,table)) | |
| 201 if len(geocolumn_res['rows'])>0: | |
| 202 geocolumn=geocolumn_res['rows'][0][0] | |
| 203 try: | |
| 204 geomstr="select astext(st_simplify(transform(%s,4326),0.05)) from %s.%s"%(geocolumn,schema,table) # the string variables have to be added here and not in executeSQL! | |
| 247 | 205 geomdata=self.executeSQL(geomstr) |
| 261 | 206 teststr=geomdata.values()[1][0] |
| 207 if (teststr == (u'MULTIPOLYGON EMPTY',)): | |
| 208 geomstr="select astext(st_simplify(transform(%s,4326),0.05)) from %s.%s"%(geocolumn,schema,table) # the string variables have to be added here and not in executeSQL! | |
| 209 geomdata=self.executeSQL(geomstr) | |
| 210 | |
| 211 except: | |
| 212 try: | |
| 213 geomstr="select chgis.astext(chgis.st_simplify(chgis.transform(%s,4326),0.05)) from %s.%s"%(geocolumn,schema,table) # the string variables have to be added here and not in executeSQL! | |
| 214 geomdata=self.executeSQL(geomstr) | |
| 215 except: | |
| 216 geomdata=None | |
| 233 | 217 |
| 218 if (gisIdField is None) and (latField is None or lonField is None) and geomField=='point': | |
| 55 | 219 # no fields given - choose automagically |
| 261 | 220 sql = "SELECT field_name FROM public.gis_table_meta_rows WHERE table_name = %s and gis_type = %s" |
| 55 | 221 # gis id in metadata first |
| 61 | 222 res = self.executeSQL(sql, (table,'gis_id')) |
| 55 | 223 if len(res['rows']) > 0: |
| 224 gisIdField = res['rows'][0][0] | |
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225 # latitude in metadata |
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226 res = self.executeSQL(sql, (table,'coord_lat')) |
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227 if len(res['rows']) > 0: |
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228 latField = res['rows'][0][0] |
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229 # longitude in metadata |
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230 res = self.executeSQL(sql, (table,'coord_lon')) |
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231 if len(res['rows']) > 0: |
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232 lonField = res['rows'][0][0] |
| 93 | 233 |
| 233 | 234 if (gisIdField is None) and (latField is None or lonField is None) and geomField=='point': |
| 93 | 235 logging.warning("no entry in metadata table for table %s" % table) |
| 236 # still no fields - try field names | |
| 237 if 'latitude' in fieldMap and 'longitude' in fieldMap: | |
| 238 latField = 'latitude' | |
| 239 lonField = 'longitude' | |
| 240 elif 'x_coord' in fieldMap and 'y_coord' in fieldMap: | |
| 241 latField = 'x_coord' | |
| 242 lonField = 'y_coord' | |
| 243 else: | |
| 244 logging.error("getKMLdata unable to find position fields") | |
| 245 return None | |
| 246 | |
| 55 | 247 |
| 248 # convert field names to row indexes | |
| 249 gisIdIdx = fieldMap.get(gisIdField,None) | |
| 250 latIdx = fieldMap.get(latField,None) | |
| 251 lonIdx = fieldMap.get(lonField,None) | |
| 117 | 252 the_geom=fieldMap.get("the_geom",None) |
| 55 | 253 logging.debug("gisidfield=%s idx=%s"%(gisIdField,gisIdIdx)) |
| 254 | |
| 255 # convert data | |
| 256 kmlData = [] | |
| 151 | 257 geom_list = {} |
| 261 | 258 # try: |
| 259 # if geomField=='poly' or geomField=='line': | |
| 260 # geom_list=geomdata.values()[1] | |
| 261 # except: | |
| 262 # return "no geomdata in RestDbGisApi Line 254" | |
| 263 | |
| 150 | 264 data_list=data['rows'] |
| 265 for k in range (len(data_list)): | |
| 266 dataset = data_list[k] | |
| 267 if len(geom_list)>k: | |
| 268 geom_value = geom_list[k] | |
| 269 | |
| 270 | |
| 261 | 271 if gisIdIdx != None and geomField!='point': |
| 272 gisID = dataset[gisIdIdx] | |
| 273 geomdata = self.getLineForChGisId(gisID) | |
| 274 | |
| 150 | 275 # for dataset in data['rows']: |
| 65 | 276 xCoord = 0.0 |
| 277 yCoord = 0.0 | |
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278 if gisIdIdx != None and geomField=='point' : |
| 55 | 279 gisID = dataset[gisIdIdx] |
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280 if gisID != " " and gisID != " 0": |
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281 coords=self.getPointForChGisId(gisID) |
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282 if coords!=None: |
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283 xCoord=coords[0] |
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284 yCoord=coords[1] |
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285 elif latIdx != None: |
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286 xCoord = dataset[lonIdx] |
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287 yCoord = dataset[latIdx] |
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288 elif latIdx != None: |
| 55 | 289 xCoord = dataset[lonIdx] |
| 290 yCoord = dataset[latIdx] | |
| 291 | |
| 233 | 292 elif geomField=='point' : |
| 55 | 293 logging.error("getKMLdata unable to find position") |
| 294 return None | |
| 295 | |
| 233 | 296 if geomField=='point' : |
| 297 if float(xCoord) == 0.0: | |
| 55 | 298 continue |
| 233 | 299 if float(yCoord) == 0.0: |
| 55 | 300 continue |
| 301 | |
| 302 kmlPlace = {} | |
| 303 | |
| 304 # description | |
| 305 desc = '' | |
| 150 | 306 |
| 307 | |
| 308 for i in range (len(dataset)): | |
| 309 value = dataset[i] | |
| 310 | |
| 55 | 311 name = data['fields'][i][0] |
| 58 | 312 #logging.debug("value=%s"%value) |
| 150 | 313 if name != 'the_geom': |
| 314 if value != None: | |
| 57 | 315 #if name.find('name')>-1: |
| 316 # desc += "<name>%s</name>\n"%value | |
| 317 # continue | |
| 318 #elif name.find('place')>-1: | |
| 319 # desc += "<name>%s</name>\n"%value | |
| 320 # continue | |
| 55 | 321 |
| 322 val = "%s: %s"%(name, value) | |
| 187 | 323 value=unicode(value) |
| 188 | 324 |
| 325 # If there is a link within the description data, create a valid href | |
| 191 | 326 if value.find('http://')>-1: |
| 327 link_str_beg=value.find('http://') | |
| 328 link_str_end = -1 | |
| 329 link_str_end0=value.find(' ',link_str_beg) | |
| 330 link_str_end1=value.find('>',link_str_beg) | |
| 331 if link_str_end0 <link_str_end1: | |
| 332 link_str_end=link_str_end0 | |
| 333 else: | |
| 334 link_str_end=link_str_end1 | |
| 335 if link_str_end > -1: | |
| 336 link_str=value[link_str_beg:link_str_end] | |
| 207 | 337 val =name+": "+value[0:link_str_beg]+'<a href=' + link_str + '> ' + link_str.replace('http://','') + ' </a>' + value[link_str_end:] |
| 191 | 338 else: |
| 339 link_str=value[link_str_beg:] | |
| 207 | 340 val =name+': '+value[0:link_str_beg]+'<a href=' + link_str + '> ' + link_str.replace('http://','') + ' </a>' |
| 188 | 341 |
| 342 | |
| 57 | 343 #desc += kmlEncode(val) |
| 344 desc += val | |
| 55 | 345 desc += '<br/>\n' |
| 346 | |
| 57 | 347 #kmlPlace['description'] = "<![CDATA[%s]]>"%desc |
| 150 | 348 |
| 124 | 349 |
| 133 | 350 if geomField=='point': |
| 207 | 351 kmlPlace['description'] = "<![CDATA[%s]]>"%desc |
| 193 | 352 |
| 133 | 353 kmlPlace['icon'] = '#marker_icon_'+colorField |
| 354 kmlPlace['coord_x'] = str(xCoord) | |
| 355 kmlPlace['coord_y'] = str(yCoord) | |
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356 kmlPlace['coord_z'] = '50' |
| 134 | 357 kmlData.append(kmlPlace) |
| 261 | 358 if (geomField=='poly' or geomField=='line') and geomdata is not None: |
| 359 polys=str(geomdata).split('(') | |
| 144 | 360 aaa=len(polys) |
| 142 | 361 for poly in polys: |
| 150 | 362 kmlPlace = {} |
| 363 kmlPlace['description'] = desc | |
| 152 | 364 coords=poly.replace(')','').replace("'","").split(',') |
| 150 | 365 coord_string='' |
| 144 | 366 if len(coords)>1: |
| 146 | 367 for coord in coords: |
| 368 coord=coord.split(' ') | |
| 369 try: | |
| 370 x_coord=coord[0] | |
| 371 y_coord=coord[1] | |
| 372 except: | |
| 373 break | |
| 150 | 374 coord_string+=x_coord+','+y_coord+','+'0 ' |
| 375 if coord_string != '': | |
| 376 kmlPlace['LinearRing']=coord_string | |
| 245 | 377 kmlPlace['lineColor']='#'+colorField+'_'+geomField |
| 150 | 378 kmlData.append(kmlPlace) |
| 55 | 379 #logging.debug("kmlData=%s"%(repr(kmlData))) |
| 380 return kmlData | |
| 58 | 381 |
| 382 def getPointForChGisId(self, gis_id): | |
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383 """returns coordinate pair for given gis_id""" # gets called by getKml |
| 59 | 384 def getPoint(id): |
| 247 | 385 str_gis_id=str(id).split('.')[0] |
| 386 sql="SELECT x_coord,y_coord FROM chgis.chgis_coords WHERE gis_id LIKE CAST('%s' AS text)"%str(str_gis_id) | |
| 387 # logging.error("sql:",sql) | |
| 388 # res = self.executeSQL(sql, (str(str_gis_id),)) | |
| 389 res = self.executeSQL(sql) | |
| 59 | 390 if len(res['rows']) > 0: |
| 391 return res['rows'][0] | |
| 247 | 392 else: |
| 393 #logging.error("error on sql:",sql%(str(str_gis_id),)) | |
| 394 return None | |
| 55 | 395 |
| 58 | 396 if gis_id is None or gis_id == "": |
| 397 return None | |
| 261 | 398 if len(str(gis_id)) < 4: |
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399 return None |
| 58 | 400 |
| 59 | 401 # try gis_id |
| 402 coords = getPoint(gis_id) | |
| 403 if coords is None: | |
| 58 | 404 # try to clean gis_id... |
| 247 | 405 gis_id_short = re.sub(r'[^0-9]','',gis_id) |
| 58 | 406 # try again |
| 247 | 407 coords = getPoint(gis_id_short) |
| 59 | 408 if coords is None: |
| 247 | 409 #logging.error("CH-GIS ID %s not found!"%str(gis_id_short)) |
| 410 | |
| 411 # this will ask the Harvard-Service for the Coords of this gis_id and write it into our coords-list | |
| 412 try: | |
| 413 coords=self.getCoordsFromREST_gisID(gis_id) | |
| 414 #logging.error("coords from REST"%str(coords)) | |
| 415 except: | |
| 416 logging.error("coords from REST did not work for "%str(gis_id)) | |
| 417 if coords[0] is None: | |
| 418 logging.error("CH-GIS ID %s not found in Harvard"%str(gis_id)) | |
| 419 else: | |
| 420 try: | |
| 421 SQL="INSERT INTO chgis.chgis_coords (gis_id,x_coord,y_coord) VALUES (CAST(%s AS text),CAST(%s AS numeric),CAST(%s AS numeric))" | |
| 422 SQL_analyze="ANALYZE chgis.chgis_coords" | |
| 423 self.executeSQL(SQL,(str(gis_id_short),str(coords[0][1]),str(coords[0][0])),False) | |
| 424 self.executeSQL(SQL_analyze,(),False) | |
| 425 except: | |
| 426 logging.error("Could not write into chgis_coords: ", str(gis_id_short)) | |
| 427 logging.error("coords[0][0]:"%coords[0][0]) | |
| 428 logging.error("coords[0][1]:"%coords[0][1]) | |
| 429 return coords[0] | |
| 430 coords_test = getPoint(gis_id) | |
| 431 #logging.error("SQL results now:", str(coords_test)) | |
| 432 return coords[0] | |
| 58 | 433 |
| 59 | 434 return coords |
| 435 | |
| 55 | 436 |
| 261 | 437 def getLineForChGisId(self, gis_id): |
| 438 """returns line/poly coordinates for given gis_id""" # gets called by getKml | |
| 439 def getLine(id): | |
| 440 str_gis_id=str(id).split('.')[0] | |
| 441 sql="SELECT astext(st_simplify(transform(the_geom,4326),0.05)) FROM chgis.chgis_linesandpolys WHERE gis_id LIKE CAST('%s' AS text)"%(str_gis_id) | |
| 442 # logging.error("sql:",sql) | |
| 443 # res = self.executeSQL(sql, (str(str_gis_id),)) | |
| 444 res = self.executeSQL(sql) | |
| 445 if len(res['rows']) > 0: | |
| 446 return res['rows'][0] | |
| 447 else: | |
| 448 #logging.error("error on sql:",sql%(str(str_gis_id),)) | |
| 449 return None | |
| 450 | |
| 451 if gis_id is None or gis_id == "": | |
| 452 return None | |
| 453 if len(str(gis_id)) < 4: | |
| 454 return None | |
| 455 | |
| 456 # try gis_id | |
| 457 line_coords = getLine(gis_id) | |
| 458 if line_coords is None: | |
| 459 # try to clean gis_id... | |
| 460 gis_id_short = re.sub(r'[^0-9]','',gis_id) | |
| 461 # try again | |
| 462 line_coords = getLine(gis_id_short) | |
| 463 if line_coords is None: | |
| 464 logging.error("CH-GIS ID %s not found!"%(gis_id_short)) | |
| 465 | |
| 466 | |
| 467 return line_coords | |
| 468 | |
| 59 | 469 ## legacy methods... |
| 470 | |
|
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471 def getKmlUrl(self,schema='chgis',table='mpdl',args={'doc':None,'id':None}): |
| 59 | 472 logging.debug("getKmlUrl") |
|
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473 id=args.get('id') |
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474 doc=args.get('doc') |
| 59 | 475 data = self.getDataForGoogleMap(schema,table,id,doc) |
| 476 kml=self.getKMLname(data=data,table=table) | |
| 477 baseUrl = self.absolute_url() | |
| 478 return "%s/daten/%s"%(baseUrl,kml) | |
| 479 | |
| 480 def getDataForGoogleMap(self,schema='chgis',table='mpdl',id=None,doc=None): | |
| 481 logging.debug("getDataForGoogleMap") | |
| 482 qstr="SELECT * FROM "+schema+"."+table | |
| 483 try: | |
| 484 if id is not None: | |
| 485 qstr=qstr+" WHERE " | |
| 486 for id_item in id.split(","): | |
| 487 if table=='mpdl': | |
| 488 qstr=qstr+" mpdl_xmlsource_id = '"+id_item+ "' OR" | |
| 489 else: | |
| 490 qstr=qstr+" cast(id as text) LIKE '"+id_item+ "' OR" | |
| 491 qstr=str(qstr).rsplit(" ",1)[0] #to remove last " and " | |
| 492 data=self.ZSQLSimpleSearch(qstr) | |
| 493 return data | |
| 494 except: | |
| 495 return qstr | |
| 55 | 496 |
| 497 | |
| 43 | 498 def getKMLname(self,data=[],table=""): |
| 499 logging.debug("getKMLname") | |
| 500 #session=context.REQUEST.SESSION | |
| 109 | 501 kml4Marker="<kml xmlns=\'http://www.opengis.net/kml/2.2\'><Document>" |
| 502 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" | |
| 503 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" | |
| 504 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" | |
| 505 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" | |
| 506 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 | 507 initializeStringForGoogleMaps="" |
| 508 #doLine=container.getVar('doLine') | |
| 509 # Mapping a set of points from table-based SQL-query: | |
| 510 if data!=None: | |
| 511 try: | |
| 512 SQL='SELECT "attribute with gis_id" FROM public.metadata WHERE tablename = %s' | |
| 513 res = self.executeSQL(SQL, (table,)) | |
| 514 gisIDattribute = res['rows'][0][0] | |
| 515 except: | |
| 516 return "table not registered within metadata" | |
| 517 | |
| 518 for dataset in data: | |
| 519 try: | |
| 520 xCoord=getattr(dataset,'longitude') | |
| 521 yCoord=getattr(dataset,'latitude') | |
| 522 except: | |
| 523 try: | |
| 524 xCoord=getattr(dataset,'x_coord') | |
| 525 yCoord=getattr(dataset,'y_coord') | |
| 526 except: | |
| 527 #try: | |
| 528 gisID=getattr(dataset,gisIDattribute) | |
| 529 coords=self.getPoint4GISid(gisID) | |
| 530 if coords!=None: | |
| 531 xCoord=coords[0] | |
| 532 yCoord=coords[1] | |
| 533 # except: | |
| 534 # return "no coordinates found" | |
| 535 | |
| 536 if float(xCoord)!=0: | |
| 537 if float(yCoord)!=0: | |
| 538 kml4Marker=kml4Marker+"<Placemark>" | |
| 539 kml4Marker=kml4Marker+"<description> <![CDATA[<b>" | |
| 540 for values in dataset: | |
| 55 | 541 #logging.debug("values=%s"%repr(values)) |
| 43 | 542 if values != (None, None): |
| 543 if str(values).find('name')>-1: | |
| 544 kml4Marker=kml4Marker+"<name>"+str(values[1])+"</name>\n" | |
| 545 continue | |
| 546 elif str(values).find('place')>-1: | |
| 547 kml4Marker=kml4Marker+"<name>"+str(values[1])+"</name>\n" | |
| 548 continue | |
| 549 | |
| 550 kml4Marker=kml4Marker+str(values)+": " | |
| 551 attribute_string=str(values).replace("'","__Apostroph__") | |
| 552 attribute_string=str(attribute_string).replace('"','__DoubleApostroph__') | |
| 553 attribute_string=str(attribute_string).replace(';','__$$__') | |
| 554 attribute_string=str(attribute_string).replace('&','&') | |
| 555 if str(attribute_string).find('http')>-1: | |
| 207 | 556 attribute_string='<A HREF=' + str(attribute_string) + ' target="_blank">' + str(attribute_string) + '</A>' |
| 43 | 557 kml4Marker=kml4Marker+attribute_string+"</a><br>\n" |
| 558 | |
| 559 kml4Marker=kml4Marker+"]]></description>\n" | |
| 117 | 560 kml4Marker=kml4Marker+"<styleURL>#marker_icon_red</styleURL>\n" |
| 43 | 561 kml4Marker=kml4Marker+"<Point>" |
| 562 | |
| 563 kml4Marker=kml4Marker+"<coordinates>"+str(xCoord)+","+str(yCoord)+",0</coordinates>\n" | |
| 564 kml4Marker=kml4Marker+"</Point>\n" | |
| 565 kml4Marker=kml4Marker+"</Placemark>\n" | |
| 566 | |
| 567 kml4Marker=kml4Marker+"</Document>\n</kml>" | |
| 568 kmlFileName="marker"+str(time.time())+".kml" | |
| 569 | |
| 570 #kml4Marker=str(kml4Marker).replace('&','$$') | |
| 571 #kml4Marker=str(kml4Marker).replace(';','__$$__') | |
| 572 #kml4Marker=str(kml4Marker).replace('#','__SHARP__') | |
| 573 isLoadReady='false' | |
| 574 while isLoadReady=='false': | |
| 575 isLoadReady=self.RESTwrite2File(self.daten,kmlFileName,kml4Marker) | |
| 576 | |
| 577 return kmlFileName | |
| 207 | 578 |
| 579 def trydatahas_key(self,data,index,key_string): | |
| 580 try: | |
| 581 return data[index].has_key(key_string) | |
| 582 except: | |
| 583 return 'false' | |
| 43 | 584 |
| 44 | 585 # def getGoogleMapString(self,kml): |
| 586 # logging.debug("getGoogleMapString") | |
| 587 # printed= '<body %s> '%kml +"""\n <div id="map_canvas" style="width: 98%; height: 95%"> </div> \n </body>" \n </html>""" | |
| 588 # return printed | |
| 43 | 589 |
| 590 def getPoint4GISid(self,gis_id): | |
| 591 j=0 | |
| 592 coords=(0,0) | |
| 593 if gis_id != None: | |
| 594 while (True): | |
| 595 j=j+1 | |
| 596 if (j>100): # FJK: just to prevent endless loops | |
| 597 break | |
| 598 if (gis_id.isdigit()): # FJK: regular exit from while-loop | |
| 599 break | |
| 600 else: | |
| 601 gis_id=gis_id.strip('abcdefghijklmnopqrstuvwxyz_') # FJK: to strip all letters | |
| 602 gis_id=gis_id.strip() # FJK: to strip all whitespaces | |
| 603 resultpoint = [0,0] | |
| 604 results = None | |
| 605 try: | |
| 606 if int(gis_id)>0: | |
| 607 SQL="SELECT x_coord,y_coord FROM chgis.chgis_coords WHERE gis_id LIKE cast("+ str(gis_id) +" as text);" | |
| 608 results=self.ZSQLSimpleSearch(SQL) | |
| 609 #print results | |
| 610 if results != None: | |
| 611 for result in results: | |
| 612 resultpoint=[getattr(result,str('x_coord')),getattr(result,str('y_coord'))] | |
| 613 if resultpoint !=[0,0]: | |
| 614 return resultpoint | |
| 615 else: | |
| 247 | 616 coords=self.getCoordsFromREST_gisID(gis_id) |
| 617 SQL="INSERT INTO chgis.chgis_coords (chgis_coords_pkey,gis_id,x_coord,y_coord) VALUES (default," +gis_id+ "," +coords[0][1]+ "," +coords[0][0]+ "); ANALYZE chgis.chgis_coords;" | |
| 43 | 618 returnstring=self.ZSQLSimpleSearch(SQL) |
| 619 return coords[0] | |
| 620 except: | |
| 621 return "gis_id not to interpretable:"+str(gis_id) | |
| 622 else: | |
| 623 return coords[0] | |
| 624 | |
| 625 def getCoordsFromREST_gisID(self,gis_id): | |
| 247 | 626 gis_id=gis_id.strip() |
| 43 | 627 coordlist=[] |
| 628 i=0 | |
| 629 while (i<5 and coordlist==[]): | |
|
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630 urlinfo=urlFunctions.zUrlopenInfo(self,"http://chgis.hmdc.harvard.edu/xml/id/"+gis_id) |
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631 urlinfoLength=urlinfo.get('content-length') |
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632 if int(urlinfoLength)<500: |
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633 urlresponse=urlFunctions.zUrlopenRead(self,"http://chgis.hmdc.harvard.edu/xml/id/cts_"+gis_id) |
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634 else: |
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635 urlresponse=urlFunctions.zUrlopenRead(self,"http://chgis.hmdc.harvard.edu/xml/id/"+gis_id) |
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636 urlresponseString=urlFunctions.zUrlopenParseString(self,urlresponse) |
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637 baseDocElement= urlFunctions.zUrlopenDocumentElement(self,urlresponseString) |
| 247 | 638 childnodes=urlFunctions.zUrlopenChildNodes(self,baseDocElement) |
| 639 itemnodes=urlFunctions.zUrlopenGetElementsByTagName(self,baseDocElement,'item') | |
| 640 itemspatialnodes=None | |
| 641 | |
| 642 for i in range(0,urlFunctions.zUrlopenLength(self,itemnodes)): | |
| 643 itemnode=urlFunctions.zUrlopenGetItem(self,itemnodes,i) | |
| 644 itemspatialnodes=urlFunctions.zUrlopenGetElementsByTagName(self,itemnode,'spatial') | |
| 645 if itemspatialnodes is not None: | |
| 646 for j in range(0,urlFunctions.zUrlopenLength(self,itemspatialnodes)): | |
| 647 coord=[] | |
| 648 itemspatialnode= urlFunctions.zUrlopenGetItem(self,itemspatialnodes,j) | |
| 649 itemspatiallatnodes=urlFunctions.zUrlopenGetElementsByTagName(self,itemspatialnode,'degrees_latitude') | |
| 650 for k in range(0,urlFunctions.zUrlopenLength(self,itemspatiallatnodes)): | |
| 651 itemspatiallatnode= urlFunctions.zUrlopenGetItem(self,itemspatiallatnodes,k) | |
| 652 coord.append(urlFunctions.zUrlopenGetTextData(self,itemspatiallatnode)) | |
| 653 itemspatiallngnodes=urlFunctions.zUrlopenGetElementsByTagName(self,itemspatialnode,'degrees_longitude') | |
| 654 for k in range(0,urlFunctions.zUrlopenLength(self,itemspatiallngnodes)): | |
| 655 itemspatiallngnode= urlFunctions.zUrlopenGetItem(self,itemspatiallngnodes,k) | |
| 656 coord.append(urlFunctions.zUrlopenGetTextData(self,itemspatiallngnode)) | |
| 657 coordlist.append(coord) | |
| 658 gis_id= "_"+gis_id | |
| 43 | 659 return coordlist |
| 660 | |
| 661 # End for GoogleMaps creation | |
| 662 | |
| 663 def RESTwrite2File(self,datadir, name,text): | |
| 664 logging.debug("RESTwrite2File datadir=%s name=%s"%(datadir,name)) | |
| 665 try: | |
| 666 import cStringIO as StringIO | |
| 667 except: | |
| 668 import StringIO | |
| 669 | |
| 670 # make filehandle from string | |
| 671 textfile = StringIO.StringIO(text) | |
| 672 fileid=name | |
| 673 if fileid in datadir.objectIds(): | |
| 674 datadir.manage_delObjects(fileid) | |
| 675 fileInZope=datadir.manage_addFile(id=fileid,file=textfile) | |
| 676 return "Write successful" | |
| 677 | |
| 678 def manage_editRestDbGisApi(self, title=None, connection_id=None, | |
| 679 REQUEST=None): | |
| 680 """Change the object""" | |
| 681 if title is not None: | |
| 682 self.title = title | |
| 683 | |
| 684 if connection_id is not None: | |
| 685 self.connection_id = connection_id | |
| 686 | |
| 687 #checkPermission=getSecurityManager().checkPermission | |
| 688 REQUEST.RESPONSE.redirect('manage_main') | |
| 689 | |
| 690 | |
| 691 manage_addRestDbGisApiForm=PageTemplateFile('zpt/addRestDbGisApi',globals()) | |
| 692 | |
| 693 def manage_addRestDbGisApi(self, id, title='', label='', description='', | |
| 694 createPublic=0, | |
| 695 createUserF=0, | |
| 696 REQUEST=None): | |
| 697 """Add a new object with id *id*.""" | |
| 698 | |
| 699 ob=RestDbGisApi(str(id),title) | |
| 700 self._setObject(id, ob) | |
| 701 | |
| 702 #checkPermission=getSecurityManager().checkPermission | |
| 703 REQUEST.RESPONSE.redirect('manage_main') | |
| 704 | |
| 247 | 705 |
| 706 | |
| 707 |