Merge pull request #21457 from gustavotrott/gql-list-of-users-have-connected

feat (gql-server): Introduces graphql Type `user_presenceLog` to indicate users that have joined

bbb-graphql-server/bbb_schema.sql

@@ -272,6 +272,7 @@ CREATE TABLE "user" (
     "authToken" varchar(16),
     "authed" bool,
     "joined" bool,
+    "firstJoinedAt" timestamp with time zone,
     "joinErrorCode" varchar(50),
     "joinErrorMessage" varchar(400),
     "banned" bool,
@@ -329,6 +330,28 @@ ALTER TABLE "user" ADD COLUMN "isDenied" boolean GENERATED ALWAYS AS ("guestStat
 
 ALTER TABLE "user" ADD COLUMN "registeredAt" timestamp with time zone GENERATED ALWAYS AS (to_timestamp("registeredOn"::double precision / 1000)) STORED;
 
+--Populate column `firstJoinedAt` to register if the user has joined in the meeting (once column `joined` turn false when user leaves)
+CREATE OR REPLACE FUNCTION "set_user_firstJoinedAt_trigger_func"()
+RETURNS TRIGGER AS $$
+BEGIN
+    IF NEW."joined" is true AND NEW."firstJoinedAt" IS NULL THEN
+        NEW."firstJoinedAt" := NOW();
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER "set_user_firstJoinedAt_ins_trigger"
+BEFORE INSERT ON "user"
+FOR EACH ROW
+EXECUTE FUNCTION "set_user_firstJoinedAt_trigger_func"();
+
+CREATE TRIGGER "set_user_firstJoinedAt_upd_trigger"
+BEFORE UPDATE ON "user"
+FOR EACH ROW
+WHEN (OLD."joined" IS DISTINCT FROM NEW."joined")
+EXECUTE FUNCTION "set_user_firstJoinedAt_trigger_func"();
+
 --Used to sort the Userlist
 ALTER TABLE "user" ADD COLUMN "nameSortable" varchar(255) GENERATED ALWAYS AS (trim(remove_emojis(immutable_lower_unaccent("name")))) STORED;
 
@@ -506,6 +529,17 @@ AS SELECT
     "user"."currentlyInMeeting"
    FROM "user";
 
+--Provide users that have joined in the meeting, either who is currently in meeting or has left
+CREATE OR REPLACE VIEW "v_user_presenceLog"
+AS SELECT
+    "user"."meetingId",
+    "user"."userId",
+    "user"."extId",
+    CASE WHEN "user"."role" = 'MODERATOR' THEN true ELSE false END "isModerator",
+    "user"."currentlyInMeeting"
+FROM "user"
+where "firstJoinedAt" is not null;
+
 create table "user_metadata"(
     "meetingId" varchar(100),
     "userId" varchar(50),

bbb-graphql-server/metadata/databases/BigBlueButton/tables/public_v_user_presenceLog.yaml

@@ -0,0 +1,26 @@
+table:
+  name: v_user_presenceLog
+  schema: public
+configuration:
+  column_config: {}
+  custom_column_names: {}
+  custom_name: user_presenceLog
+  custom_root_fields: {}
+select_permissions:
+  - role: bbb_client
+    permission:
+      columns:
+        - currentlyInMeeting
+        - extId
+        - isModerator
+        - userId
+      filter:
+        _and:
+          - meetingId:
+              _eq: X-Hasura-MeetingId
+          - _or:
+              - isModerator:
+                  _eq: true
+              - meetingId:
+                  _eq: X-Hasura-UserListNotLockedInMeeting
+    comment: ""

bbb-graphql-server/metadata/databases/BigBlueButton/tables/tables.yaml

@@ -56,6 +56,7 @@
 - "!include public_v_user_guest.yaml"
 - "!include public_v_user_lockSettings.yaml"
 - "!include public_v_user_metadata.yaml"
+- "!include public_v_user_presenceLog.yaml"
 - "!include public_v_user_reaction.yaml"
 - "!include public_v_user_ref.yaml"
 - "!include public_v_user_transcriptionError.yaml"