db: Add function to get list of project work for summary

This function breaks out work by project daily and weekly for a user. This will be used to fetch the breakdown for display in the work summary panel.

api/db/functions/get_user_project_summaries.py

@@ -0,0 +1,74 @@
+from alembic_utils.pg_function import PGFunction
+
+
+get_user_project_summaries = PGFunction(
+    schema="public",
+    signature="get_user_project_summaries(user_id integer, current date)",
+    definition="""
+        RETURNS TABLE (
+            project_id INT,
+            project VARCHAR,
+            today_total INT,
+            today_text VARCHAR,
+            week_total INT,
+            week_text VARCHAR,
+            is_vacation BOOLEAN
+        )
+        LANGUAGE plpgsql
+        AS $function$
+        DECLARE vacation_project_id INT := (SELECT vacation_project_id from config);
+
+        BEGIN
+            RETURN QUERY
+            with today as (
+                select project.id as project_id, project.description,
+                sum(task.task_total_minutes) as total
+                from public.task
+                inner join public.project
+                on public.task.projectid = public.project.id
+                where public.task._date = current
+                and public.task.usrid = user_id
+                group by project.id
+            ),
+            week as (
+                select project.id as project_id, project.description,
+                sum(task.task_total_minutes) as total
+                from public.task
+                inner join public.project
+                on public.task.projectid = public.project.id
+                where public.task._date between date_trunc('week', current)
+                  and (date_trunc('week', current) + interval '6 days')
+                  and public.task.usrid = user_id
+                group by project.id
+            )
+            select
+            week.project_id,
+            week.description as project,
+            today.total::int as today_total,
+            case
+                when today.total is not null then
+                cast(
+                concat(
+                    extract(hour from make_interval(mins:=cast(today.total as int))), 'h ',
+                    extract(minutes from make_interval(mins:=cast(today.total as int))), 'm')
+                as varchar)
+            end as today_text,
+            week.total::int as week_total,
+            case
+                when week.total is not null then
+                cast(
+                concat(
+                    extract(hour from make_interval(mins:=cast(week.total as int))), 'h ',
+                    extract(minutes from make_interval(mins:=cast(week.total as int))), 'm')
+                as varchar)
+            end as week_text,
+            case
+                when week.project_id = vacation_project_id
+                then (select true)
+                else (select false)
+            end as is_vacation
+            from week
+            left join today on week.project_id = today.project_id;
+            END; $function$
+        """,
+)

api/migrations/versions/cd28ca502f89_add_function_for_project_summaries.py

@@ -0,0 +1,35 @@
+"""Add function for project summaries
+
+Revision ID: cd28ca502f89
+Revises: 2a20fa1bde50
+Create Date: 2024-01-09 11:56:53.889112
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+from alembic_utils.pg_function import PGFunction
+from db.functions.get_user_project_summaries import get_user_project_summaries
+
+# revision identifiers, used by Alembic.
+revision = 'cd28ca502f89'
+down_revision = '2a20fa1bde50'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_entity(get_user_project_summaries)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    get_user_project_summaries = PGFunction(
+        schema="public",
+        signature="get_user_project_summaries(user_id int, current date)",
+        definition="# "
+    )
+    op.drop_entity(get_user_project_summaries)
+    # ### end Alembic commands ###