Adding script to add Foreign Key relations on the Database dump received

import_perceptual.sh

@@ -0,0 +1,103 @@
+#!/usr/bin/env bash
+# Import the perceptual_model dump into the public schema of the hydroprocess DB.
+# Usage: ./import_perceptual.sh /absolute/path/to/perceptual_model_schema_20251203.bk
+set -euo pipefail
+
+DB_NAME="${DB_NAME:-hydroprocess}"
+DUMP_PATH="${1:-}"
+
+if [[ -z "$DUMP_PATH" ]]; then
+  echo "Usage: $0 /path/to/perceptual_model_schema_20251203.bk" >&2
+  exit 1
+fi
+if [[ ! -f "$DUMP_PATH" ]]; then
+  echo "Dump file not found: $DUMP_PATH" >&2
+  exit 1
+fi
+
+PG_CTN="$(docker-compose ps -q postgres)"
+if [[ -z "$PG_CTN" ]]; then
+  echo "Postgres container not running. Start it first (e.g., make up)." >&2
+  exit 1
+fi
+
+DEST="/tmp/perceptual_model_schema_20251203.bk"
+echo "Copying dump into container..."
+docker cp "$DUMP_PATH" "$PG_CTN:$DEST"
+
+echo "Dropping and recreating database $DB_NAME..."
+docker-compose exec -T postgres psql -U postgres -c "DROP DATABASE IF EXISTS ${DB_NAME} WITH (FORCE);"
+docker-compose exec -T postgres psql -U postgres -c "CREATE DATABASE ${DB_NAME};"
+docker-compose exec -T postgres psql -U postgres -d "${DB_NAME}" -c "CREATE EXTENSION IF NOT EXISTS postgis;"
+
+echo "Restoring dump into public schema..."
+docker-compose exec -T postgres bash -lc "\
+  awk '!/^\\\\restrict/ && !/^\\\\unrestrict/' $DEST \
+  | sed -e 's/CREATE SCHEMA perceptual_model;/-- removed schema/' \
+        -e 's/ALTER SCHEMA perceptual_model OWNER TO postgres;/-- removed schema owner/' \
+        -e '/^SET .*transaction_timeout/d' \
+        -e 's/perceptual_model\\./public./g' \
+  | psql -U postgres -d ${DB_NAME} -v ON_ERROR_STOP=1 \
+"
+
+echo "Ensuring geometry column on locations..."
+docker-compose exec -T postgres psql -U postgres -d "${DB_NAME}" -c "\
+  CREATE EXTENSION IF NOT EXISTS postgis; \
+  ALTER TABLE public.locations ADD COLUMN IF NOT EXISTS pt geometry(Point,4326); \
+  CREATE INDEX IF NOT EXISTS idx_locations_pt ON public.locations USING GIST(pt); \
+  UPDATE public.locations SET pt = ST_SetSRID(ST_MakePoint(lon, lat),4326) WHERE pt IS NULL AND lon IS NOT NULL AND lat IS NOT NULL; \
+"
+
+echo "Ensuring process_taxonomy.process_alt_name_id column..."
+docker-compose exec -T postgres psql -U postgres -d "${DB_NAME}" -c "\
+  ALTER TABLE public.process_taxonomy ADD COLUMN IF NOT EXISTS process_alt_name_id integer; \
+"
+
+echo "Applying foreign keys (idempotent)..."
+docker-compose exec -T postgres bash -lc "\
+psql -U postgres -d ${DB_NAME} <<'SQL'
+DO \$\$
+DECLARE
+  r RECORD;
+BEGIN
+  FOR r IN
+    SELECT *
+    FROM (VALUES
+      ('link_process_perceptual_entry_id_fkey',
+       'ALTER TABLE public.link_process_perceptual ADD CONSTRAINT link_process_perceptual_entry_id_fkey FOREIGN KEY (entry_id) REFERENCES public.perceptual_model(id)'),
+      ('link_process_perceptual_process_id_fkey',
+       'ALTER TABLE public.link_process_perceptual ADD CONSTRAINT link_process_perceptual_process_id_fkey FOREIGN KEY (process_id) REFERENCES public.process_taxonomy(id)'),
+      ('perceptual_model_citation_id_fkey',
+       'ALTER TABLE public.perceptual_model ADD CONSTRAINT perceptual_model_citation_id_fkey FOREIGN KEY (citation_id) REFERENCES public.citations(id)'),
+      ('perceptual_model_location_id_fkey',
+       'ALTER TABLE public.perceptual_model ADD CONSTRAINT perceptual_model_location_id_fkey FOREIGN KEY (location_id) REFERENCES public.locations(id)'),
+      ('perceptual_model_model_type_id_fkey',
+       'ALTER TABLE public.perceptual_model ADD CONSTRAINT perceptual_model_model_type_id_fkey FOREIGN KEY (model_type_id) REFERENCES public.model_type(id)'),
+      ('perceptual_model_spatialzone_id_fkey',
+       'ALTER TABLE public.perceptual_model ADD CONSTRAINT perceptual_model_spatialzone_id_fkey FOREIGN KEY (spatialzone_id) REFERENCES public.spatial_zone_type(id)'),
+      ('perceptual_model_temporalzone_id_fkey',
+       'ALTER TABLE public.perceptual_model ADD CONSTRAINT perceptual_model_temporalzone_id_fkey FOREIGN KEY (temporalzone_id) REFERENCES public.temporal_zone_type(id)'),
+      ('process_alt_names_process_id_fkey',
+       'ALTER TABLE public.process_alt_names ADD CONSTRAINT process_alt_names_process_id_fkey FOREIGN KEY (process_id) REFERENCES public.process_taxonomy(id)'),
+      ('process_taxonomy_function_id_fkey',
+       'ALTER TABLE public.process_taxonomy ADD CONSTRAINT process_taxonomy_function_id_fkey FOREIGN KEY (function_id) REFERENCES public.function_type(id)'),
+      ('process_taxonomy_process_alt_name_id_fkey',
+       'ALTER TABLE public.process_taxonomy ADD CONSTRAINT process_taxonomy_process_alt_name_id_fkey FOREIGN KEY (process_alt_name_id) REFERENCES public.process_alt_names(id)')
+    ) AS t(name, ddl)
+  LOOP
+    IF NOT EXISTS (
+      SELECT 1
+      FROM pg_constraint c
+      JOIN pg_namespace n ON n.oid = c.connamespace
+      WHERE c.conname = r.name
+        AND n.nspname = 'public'
+    ) THEN
+      EXECUTE r.ddl;
+    END IF;
+  END LOOP;
+END
+\$\$;
+SQL
+"
+
+echo "Import complete."