Update sourceLayer on data library derived layers when updating

Author: underbluewaters

packages/api/migrations/committed/000343.sql

@@ -0,0 +1,132 @@
+--! Previous: sha1:88ea156673a7d82b63e484ab0d633bddc174a5e0
+--! Hash: sha1:7b3014cc9d2637d62f0fee1b2ea18fb6d5266dc1
+
+-- Enter migration here
+CREATE OR REPLACE FUNCTION public.replace_data_source(data_layer_id integer, data_source_id integer, source_layer text, bounds numeric[], gl_styles jsonb) RETURNS void
+    LANGUAGE plpgsql SECURITY DEFINER
+    AS $$
+    declare
+      old_source_id integer;
+      old_source_type text;
+      old_metadata_is_dynamic boolean;
+      dl_template_id text;
+    begin
+        -- first, determine if a related table_of_contents_item has
+        -- data_library_template_id set. If so, we need to update the
+        -- related Toc items that have copied_from_data_library_template_id
+        -- matching.
+
+        select data_library_template_id into dl_template_id from table_of_contents_items where table_of_contents_items.data_layer_id = replace_data_source.data_layer_id and data_library_template_id is not null limit 1;
+
+        if dl_template_id is null then
+          raise exception 'fuck you %', dl_template_id;
+        end if;
+
+        select data_layers.data_source_id into old_source_id from data_layers where id = replace_data_source.data_layer_id;
+        select type into old_source_type from data_sources where id = old_source_id;
+        select metadata is null and (old_source_type = 'arcgis-vector' or old_source_type = 'arcgis-dynamic-mapserver') into old_metadata_is_dynamic from table_of_contents_items where table_of_contents_items.data_layer_id = replace_data_source.data_layer_id limit 1;
+        insert into archived_data_sources (
+          data_source_id,
+          data_layer_id,
+          version,
+          mapbox_gl_style,
+          changelog,
+          source_layer,
+          bounds,
+          sublayer,
+          sublayer_type,
+          dynamic_metadata,
+          project_id
+        ) values (
+          old_source_id,
+          replace_data_source.data_layer_id,
+          (
+            select 
+              coalesce(max(version), 0) + 1 
+            from 
+              archived_data_sources 
+            where archived_data_sources.data_layer_id = replace_data_source.data_layer_id
+          ),
+          (
+            select 
+              mapbox_gl_styles
+            from 
+              data_layers 
+            where id = replace_data_source.data_layer_id
+          ),
+          (select changelog from data_sources where id = replace_data_source.data_source_id),
+          (select data_layers.source_layer from data_layers where data_layers.id = replace_data_source.data_layer_id),
+          (select table_of_contents_items.bounds from table_of_contents_items where table_of_contents_items.data_layer_id = replace_data_source.data_layer_id and table_of_contents_items.bounds is not null limit 1),
+          (select sublayer from data_layers where id = data_layer_id),
+          (select sublayer_type from data_layers where id = data_layer_id),
+          old_metadata_is_dynamic,
+          (select project_id from data_sources where id = replace_data_source.data_source_id)
+        );
+        
+        if dl_template_id is not null then
+          update 
+            data_sources
+          set data_library_template_id = dl_template_id
+          where 
+          id = replace_data_source.data_source_id or
+          id = any((
+            select
+              data_layers.data_source_id
+            from
+              data_layers
+            where
+              id = any (
+                select
+                  table_of_contents_items.data_layer_id
+                from
+                  table_of_contents_items
+                where
+                  copied_from_data_library_template_id = dl_template_id or
+                  data_library_template_id = dl_template_id
+              )
+          )) or id = any ((
+            select 
+              data_layers.data_source_id 
+            from
+              data_layers
+            where
+              id = replace_data_source.data_layer_id 
+          ));
+        end if;
+
+        update 
+          data_layers 
+        set 
+          data_source_id = replace_data_source.data_source_id, 
+          source_layer = replace_data_source.source_layer, 
+          mapbox_gl_styles = coalesce(
+            gl_styles, data_layers.mapbox_gl_styles
+          ), 
+          sublayer = null 
+        where 
+          id = replace_data_source.data_layer_id;
+
+        if dl_template_id is not null then
+          update
+            data_layers
+          set
+            data_source_id = replace_data_source.data_source_id,
+            source_layer = replace_data_source.source_layer
+          where
+            id = any (
+              select table_of_contents_items.data_layer_id from table_of_contents_items where copied_from_data_library_template_id = dl_template_id
+            );
+        end if;
+        
+        update 
+          table_of_contents_items 
+        set bounds = replace_data_source.bounds 
+        where 
+          table_of_contents_items.data_layer_id = replace_data_source.data_layer_id or (
+            case 
+              when dl_template_id is not null then copied_from_data_library_template_id = dl_template_id
+              else false
+            end
+          );
+    end;
+  $$;