make dsv ident unique in wms view

* make dsv ident unique in wms view

* upd wms view: Avoid duplicate facadelayer children

* upd layer view unique fl, fl children

* wms layer view: add doc

webapp/schema/views/trafo/2_trafo_wms_layer_v.sql

@@ -7,19 +7,110 @@ CREATE VIEW simi.trafo_wms_layer_v AS
  */
 WITH
 
-productlist_children AS ( -- Alle publizierten Kinder einer Productlist, sortiert nach pil.sort
+-- CTE für WMS-weit eindeutige singleactor identifier
+
+published_sa AS ( -- Alle publizierten SingleActors  
+  SELECT 
+    sa.id AS sa_id,
+    p.root_published
+  FROM
+    simi.simiproduct_single_actor sa
+  JOIN
+    simi.trafo_published_dp_v p ON sa.id = p.dp_id 
+)
+
+,layergroup_children AS ( 
+  SELECT 
+    product_list_id AS lg_id,
+    single_actor_id AS sa_id
+  FROM 
+    simi.simiproduct_layer_group lg
+  JOIN 
+    simi.simiproduct_properties_in_list pil ON lg.id = pil.product_list_id
+)
+
+,facade_dsv_children AS (
+  SELECT 
+    data_set_view_id AS child_id, 
+    facade_layer_id AS parent_id,
+    lg_id AS grandpa_id
+  FROM 
+    simi.simiproduct_properties_in_facade pif
+  JOIN
+    published_sa p ON pif.data_set_view_id = p.sa_id
+  LEFT JOIN 
+    layergroup_children lg ON pif.facade_layer_id = lg.sa_id
+)
+
+,group_sa_children AS (
+  SELECT 
+    product_list_id AS parent_id, 
+    single_actor_id AS child_id
+  FROM 
+    simi.simiproduct_properties_in_list pil
+  JOIN 
+    simi.simiproduct_layer_group lg ON pil.product_list_id = lg.id 
+  JOIN
+    published_sa p ON pil.single_actor_id = p.sa_id   
+)
+
+,root_sa AS (
+  SELECT 
+    sa_id AS child_id
+  FROM 
+    published_sa
+  WHERE
+    root_published IS TRUE            
+)
+
+/*
+Suffix-Prioritäten:
+1. Root publizierte Singleactors parent=null
+2. Singleactors in Layergruppen parent.type = layergroup
+3. Datasetviews in Facadelayern parent.type = facadelayer
+*/
+,sa_treenodes AS (
+  SELECT child_id, parent_id, grandpa_id, 'facade' AS parent_type, 3 AS name_prio FROM facade_dsv_children
+  UNION ALL 
+  SELECT child_id, parent_id, NULL AS grandpa_id, 'group' AS parent_type, 2 AS name_prio FROM group_sa_children
+  UNION ALL 
+  SELECT child_id, NULL AS parent_id, NULL AS grandpa_id, 'none' AS parent_type, 1 AS name_prio FROM root_sa
+)
+
+
+/*
+Weist innerhalb aller publizierten Datasetviews den Duplikaten einen Suffix von 2 bis * zu.
+Genau einer Kopie jedes publizierten Singleactor bleibt der Original-Identifier erhalten (suffix = null).
+*/
+,sa_unique_suffix AS (
+  SELECT 
+    child_id,
+    parent_id,
+    grandpa_id,
+    NULLIF(ROW_NUMBER() OVER (PARTITION BY s.child_id ORDER BY s.name_prio ASC), 1) AS suffix     
+  FROM 
+    sa_treenodes s
+)
+
+-- CTE für Json-Erzeugung ...
+
+,productlist_children AS ( -- Alle publizierten Kinder einer Productlist, sortiert nach pil.sort
   SELECT  
     pil.product_list_id, 
-    jsonb_agg(identifier ORDER BY pil.sort) AS ident_json
+    jsonb_agg(
+      concat_ws('.', identifier, suffix) ORDER BY pil.sort
+    ) AS ident_json
   FROM 
     simi.simiproduct_properties_in_list pil 
   JOIN 
     simi.trafo_published_dp_v dp ON pil.single_actor_id = dp.dp_id
+  LEFT JOIN 
+    sa_unique_suffix u ON pil.product_list_id = u.parent_id AND pil.single_actor_id = u.child_id
   GROUP BY 
     product_list_id  
-),
+)
 
-productlist AS ( -- Alle publizierten Productlists, mit ihren publizierten Kindern. (Background-)Map.print_or_ext = TRUE, Layergroup.print_or_ext = FALSE 
+,productlist AS ( -- Alle publizierten Productlists, mit ihren publizierten Kindern. (Background-)Map.print_or_ext = TRUE, Layergroup.print_or_ext = FALSE 
   SELECT 
     identifier,
     print_or_ext, 
@@ -35,39 +126,103 @@ productlist AS ( -- Alle publizierten Productlists, mit ihren publizierten Kinde
     productlist_children sa ON dp.dp_id = sa.product_list_id
   LEFT JOIN 
     simi.simiproduct_map m ON dp.dp_id = m.id
-),
+)
 
-facadelayer_children AS ( -- Alle direkt oder indirekt publizierten Kinder eines Facadelayer, sortiert nach pif.sort
-  SELECT  
-    pif.facade_layer_id,
-    jsonb_agg(identifier ORDER BY pif.sort) AS ident_json
+,null_uid_placeholder AS ( -- Künstliche eindeutige uid. Wird für root publizierte SingleActor als Ersatz der layergruppen-id verwendet (macht where clause einfacher).
+  SELECT   
+    uuid_generate_v4() AS null_uid
+)
+
+,lg_childlinks AS (
+  SELECT 
+    l.id AS lg_id,
+    p.single_actor_id AS sa_id
   FROM 
-    simi.simiproduct_properties_in_facade pif
+    simi.simiproduct_layer_group l
+  JOIN
+    simi.simiproduct_properties_in_list p ON l.id = p.product_list_id
+)
+
+-- FL im Layer-Tree. Mit Referenz auf den Parent oder die null_uid für root FL. 
+-- Ein root publizierter und LG enthaltener FL wird nur als "LG-Kind" zurückgegeben
+,facade_node AS (
+  SELECT    
+    f.id AS fl_id,
+    coalesce(lc.lg_id, null_uid) AS lg_or_null_id
+  FROM 
+    simi.simiproduct_facade_layer f 
+  CROSS JOIN 
+    null_uid_placeholder nid
+  LEFT JOIN
+    lg_childlinks lc ON f.id = lc.sa_id
+)
+
+,facade_node_2 AS (
+  SELECT 
+    concat_ws('.', dp.derived_identifier, suffix) AS fl_identifier,
+    fl_id,
+    lg_or_null_id
+  FROM 
+    facade_node fn
+  CROSS JOIN
+    null_uid_placeholder nid
+  JOIN
+    sa_unique_suffix s ON fn.fl_id = s.child_id AND fn.lg_or_null_id = COALESCE(s.parent_id, null_uid)
+  JOIN
+    simi.simiproduct_data_product dp ON fn.fl_id = dp.id
+)
+
+,facade_node_child_ident AS (--  Kinder von Facade-Knoten im Layerbaum. Werden mit baumweit eindeutigen identifiern versehen
+  SELECT 
+    concat_ws('.', dp.derived_identifier, suffix) AS dsv_identifier,
+    fn.fl_id,
+    fn.lg_or_null_id,
+    pif.sort
+  FROM 
+    sa_unique_suffix s
+  CROSS JOIN 
+    null_uid_placeholder nid
+  JOIN
+    facade_node fn ON s.parent_id = fn.fl_id AND COALESCE(s.grandpa_id, nid.null_uid) = fn.lg_or_null_id
   JOIN 
-    simi.trafo_published_dp_v dp ON pif.data_set_view_id = dp.dp_id
+    simi.simiproduct_properties_in_facade pif ON s.child_id = pif.data_set_view_id AND s.parent_id = pif.facade_layer_id
+  JOIN
+    simi.simiproduct_data_product dp ON s.child_id = dp.id
+)
+
+,facade_node_child_arr AS (
+  SELECT 
+    jsonb_agg(
+      dsv_identifier ORDER BY sort
+    ) AS ident_json,
+    fl_id,
+    lg_or_null_id
+  FROM 
+    facade_node_child_ident
   GROUP BY 
-    facade_layer_id  
-),
+    fl_id,
+    lg_or_null_id
+)
 
-facadelayer AS (
+,facadelayer AS (
   SELECT 
-    identifier,
+    fl_identifier AS identifier,
     print_or_ext,
     jsonb_build_object(
-      'name', identifier,
+      'name', fl_identifier,
       'type', 'productset',
       'title', title_ident,
       'sublayers', ident_json
     ) AS layer_json
   FROM 
-    simi.simiproduct_facade_layer fl
+    facade_node_2 fn
   JOIN 
-    simi.trafo_published_dp_v dp ON fl.id = dp.dp_id
+    simi.trafo_published_dp_v dp ON fn.fl_id = dp.dp_id
   JOIN
-    facadelayer_children dsv ON dp.dp_id = dsv.facade_layer_id
-),
+    facade_node_child_arr fc ON fn.fl_id = fc.fl_id AND fn.lg_or_null_id = fc.lg_or_null_id
+)
 
-dsv_qml_assetfile AS (
+,dsv_qml_assetfile AS (
   SELECT 
     dataset_set_view_id AS dsv_id,
     jsonb_build_object(
@@ -78,31 +233,31 @@ dsv_qml_assetfile AS (
     simi.simidata_styleasset     
   WHERE 
     is_for_server IS TRUE  
-),
+)
 
-dsv_qml_assetfiles AS (
+,dsv_qml_assetfiles AS (
   SELECT 
     dsv_id,
     jsonb_agg(file_json) AS assetfiles_json
   FROM 
     dsv_qml_assetfile
   GROUP BY 
     dsv_id
-),
+)
 
-vector_layer AS (
+,vector_layer AS (
   SELECT 
-    identifier,
+    concat_ws('.', identifier, suffix) AS identifier,
     FALSE AS print_or_ext,
     jsonb_strip_nulls(
       jsonb_build_object(
-      'name', identifier,
+      'name', concat_ws('.', identifier, suffix),
       'type', 'layer',
       'datatype', 'vector',
       'title', title_ident,
       'postgis_datasource', tbl_json,
       'qml_base64', encode(convert_to(style_server, 'UTF8'), 'base64'),
-      'qml_assets', COALESCE(assetfiles_json, jsonb_build_array()), --$td COALESCE entfernen
+      'qml_assets', COALESCE(assetfiles_json, jsonb_build_array()),
       'attributes', attr_name_js
       )
     ) AS layer_json
@@ -112,16 +267,18 @@ vector_layer AS (
     simi.simidata_data_set_view dsv ON tv.tv_id = dsv.id
   JOIN 
     simi.trafo_wms_geotable_v tbl ON tv.tv_id = tbl.tv_id 
+  JOIN
+    sa_unique_suffix s ON tv.tv_id = s.child_id
   LEFT JOIN 
     dsv_qml_assetfiles files ON tv.tv_id = files.dsv_id
-),
+)
 
-raster_layer AS (
+,raster_layer AS (
   SELECT 
-    identifier,
+    concat_ws('.', identifier, suffix) AS identifier,
     print_or_ext,
     jsonb_strip_nulls(jsonb_build_object(
-      'name', identifier,
+      'name', concat_ws('.', identifier, suffix),
       'type', 'layer',
       'datatype', 'raster',
       'title', title_ident,
@@ -136,9 +293,11 @@ raster_layer AS (
     simi.simidata_raster_view rv ON dsv.id = rv.id
   JOIN 
     simi.simidata_raster_ds rds ON rv.raster_ds_id = rds.id   
-),
+  JOIN
+    sa_unique_suffix s ON dp.dp_id = s.child_id
+)
 
-ext_wms_layerbase AS (
+,ext_wms_layerbase AS (
   SELECT  
     identifier,
     title_ident,  
@@ -156,9 +315,9 @@ ext_wms_layerbase AS (
     simi.simiproduct_external_wms_layers el ON dp.dp_id = el.id
   JOIN
     simi.simiproduct_external_wms_service es ON el.service_id = es.id
-),
+)
 
-ext_wms AS (
+,ext_wms AS (
   SELECT 
     identifier,
     TRUE AS print_or_ext,
@@ -171,9 +330,9 @@ ext_wms AS (
     ) AS layer_json
   FROM
     ext_wms_layerbase
-),
+)
 
-layer_union AS (
+,layer_union AS (
   SELECT identifier, print_or_ext, layer_json FROM productlist
   UNION ALL 
   SELECT identifier, print_or_ext, layer_json FROM facadelayer
@@ -191,4 +350,4 @@ SELECT
   layer_json 
 FROM
   layer_union
-;
+;