- # ----- deleteway
- # delete way and constituent nodes from database
- # in: [0] user token (string), [1] way id
- # does: deletes way from db and any constituent nodes not used elsewhere
- # also removes ways/nodes from any relations they're in
- # out: [0] 0 (success), [1] way id (unchanged)
-
- def deleteway(args) #:doc:
- usertoken,way_id=args
- RAILS_DEFAULT_LOGGER.info(" Message: deleteway, id=#{way_id}")
- uid=getuserid(usertoken)
- if !uid then return -1,"You are not logged in, so the way could not be deleted." end
-
- # FIXME
- # the next bit removes the way from any relations
- # the delete_with_relations_and_nodes_and_history method should do this,
- # but at present it just throws a 'precondition failed'
- way=way.to_i
- db_now='@now'+(rand*100).to_i.to_s+uid.to_s+way.abs.to_s+Time.new.to_i.to_s
- db_uqn='unin'+(rand*100).to_i.to_s+uid.to_s+way.abs.to_s+Time.new.to_i.to_s
- ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
- createuniquenodes(way,db_uqn,[])
- deleteuniquenoderelations(db_uqn,uid,db_now)
- deleteitemrelations(way_id,'way',uid,db_now)
- ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}")
- # end of FIXME
-
- # now delete the way
- user = User.find(uid)
- way = Way.find(way_id)
- way.delete_with_relations_and_nodes_and_history(user)
- return [0,way_id]
- end
-
-
- def readwayquery(id,insistonvisible) #:doc:
- sql=<<-EOF
- SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,current_nodes.id,tags,visible
- FROM current_way_nodes,current_nodes
- WHERE current_way_nodes.id=#{id}
- AND current_way_nodes.node_id=current_nodes.id
- EOF
- if insistonvisible then sql+=" AND current_nodes.visible=1 " end
- sql+=" ORDER BY sequence_id"
- ActiveRecord::Base.connection.select_all(sql)
- end
-
- # Get the latest version id of a way
- def getlastversion(id,version) #:doc:
- old_way = OldWay.find(:first, :conditions => ['visible=1 AND id=?' , id], :order => 'version DESC')
- old_way.version
- end
-
- def readwayquery_old(id,version,historic) #:doc:
- # Node handling on undelete (historic=false):
- # - always use the node specified, even if it's moved
-
- # Node handling on revert (historic=true):
- # - if it's a visible node, use a new node id (i.e. not mucking up the old one)
- # which means the SWF needs to allocate new ids
- # - if it's an invisible node, we can reuse the old node id
-
- # ----- get node list from specified version of way,
- # and the _current_ lat/long/tags of each node
-
- row=ActiveRecord::Base.connection.select_one("SELECT timestamp FROM ways WHERE version=#{version} AND id=#{id}")
- waytime=row['timestamp']
-
- sql=<<-EOF
- SELECT cn.id,visible,latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,tags
- FROM way_nodes wn,current_nodes cn
- WHERE wn.version=#{version}
- AND wn.id=#{id}
- AND wn.node_id=cn.id
- ORDER BY sequence_id
- EOF
- rows=ActiveRecord::Base.connection.select_all(sql)
-
- # ----- if historic (full revert), get the old version of each node
- # - if it's in another way now, generate a new id
- # - if it's not in another way, use the old ID
-
- if historic then
- rows.each_index do |i|
- sql=<<-EOF
- SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,tags,cwn.id AS currentway
- FROM nodes n
- LEFT JOIN current_way_nodes cwn
- ON cwn.node_id=n.id AND cwn.id!=#{id}
- WHERE n.id=#{rows[i]['id']}
- AND n.timestamp<="#{waytime}"
- ORDER BY n.timestamp DESC
- LIMIT 1
- EOF
- row=ActiveRecord::Base.connection.select_one(sql)
- nx=row['longitude'].to_f
- ny=row['latitude'].to_f
- if (!row.nil?)
- if (row['currentway'] && (nx!=rows[i]['longitude'].to_f or ny!=rows[i]['latitude'].to_f or row['tags']!=rows[i]['tags'])) then rows[i]['id']=-1 end
- end
- rows[i]['longitude']=nx
- rows[i]['latitude' ]=ny
- rows[i]['tags' ]=row['tags']
+ def change_user(obj)
+ user_object = obj.changeset.user
+ user = user_object.data_public? ? user_object.display_name : "anonymous"
+ uid = user_object.data_public? ? user_object.id : 0
+ [user, uid]
+ end
+
+ # Find GPS traces with specified name/id.
+ # Returns array listing GPXs, each one comprising id, name and description.
+
+ def findgpx(searchterm, usertoken)
+ amf_handle_error_with_timeout("'findgpx'", nil, nil) do
+ user = getuser(usertoken)
+
+ return -1, "You must be logged in to search for GPX traces." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+
+ query = Trace.visible_to(user)
+ if searchterm.to_i > 0
+ query = query.where(:id => searchterm.to_i)
+ else
+ query = query.where("MATCH(name) AGAINST (?)", searchterm).limit(21)
projects / rails.git / blobdiff