Merge pull request #17 from psarando/CORE-1517

CORE-1517 Add app_versions_listing view

migrations/000034_app_versions_listing.down.sql

@@ -0,0 +1,7 @@
+BEGIN;
+
+SET search_path = public, pg_catalog;
+
+DROP VIEW IF EXISTS app_versions_listing;
+
+COMMIT;

migrations/000034_app_versions_listing.up.sql

@@ -0,0 +1,48 @@
+BEGIN;
+
+SET search_path = public, pg_catalog;
+
+--
+-- A view containing the top-level information needed for app version listings.
+--
+CREATE OR REPLACE VIEW app_versions_listing AS
+    SELECT apps.id,
+           apps."name",
+           apps.description,
+           apps.wiki_url,
+           integration.integrator_name,
+           integration.integrator_email,
+           v.id AS version_id,
+           v.version,
+           v.version_order,
+           v.deleted,
+           v.disabled,
+           v.integration_date,
+           v.edited_date,
+           COUNT(steps.*) AS step_count,
+           COUNT(t.tool_id) AS tool_count,
+           COUNT(t.external_app_id) AS external_app_count,
+           COUNT(t.id) AS task_count,
+           CASE WHEN COUNT(DISTINCT tt.name) = 0 THEN 'unknown'
+                WHEN COUNT(DISTINCT tt.name) > 1 THEN 'mixed'
+                ELSE MAX(tt.name)
+           END AS overall_job_type,
+           integration.user_id AS integrator_id,
+           u.username AS integrator_username,
+           array_agg(tt.name) as job_types
+    FROM apps
+         LEFT JOIN app_versions v ON apps.id = v.app_id
+         LEFT JOIN integration_data integration ON integration.id = v.integration_data_id
+         LEFT JOIN users u ON integration.user_id = u.id
+         LEFT JOIN app_steps steps ON steps.app_version_id = v.id
+         LEFT JOIN tasks t ON steps.task_id = t.id
+         LEFT JOIN tools tool ON t.tool_id = tool.id
+         LEFT JOIN tool_types tt ON tool.tool_type_id = tt.id
+    GROUP BY apps.id,
+             integration.integrator_name,
+             integration.integrator_email,
+             integration.user_id,
+             u.username,
+             v.id;
+
+COMMIT;