Collections (#688)

* initial draft; unfinished

* images, fixes

* fixes

* println

* revisions

* fixes

* alternate context setup version

* rev

* partial revs

* rev

* clippy ,fmt

* fmt/clippy/prepare

* fixes

* revs

migrations/20230816085700_collections_and_more.sql

@@ -0,0 +1,37 @@
+CREATE TABLE collections (
+    id bigint PRIMARY KEY,
+    title varchar(255) NOT NULL,
+    description varchar(2048) NOT NULL,
+    user_id bigint REFERENCES users NOT NULL,
+    created timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    status varchar(64) NOT NULL DEFAULT 'listed',
+
+    icon_url varchar(2048) NULL,
+    color integer NULL
+);
+
+CREATE TABLE collections_mods (
+    collection_id bigint REFERENCES collections NOT NULL,
+    mod_id bigint REFERENCES mods NOT NULL,
+    PRIMARY KEY (collection_id, mod_id)
+);
+
+CREATE TABLE uploaded_images (
+    id bigint PRIMARY KEY,
+    url varchar(2048) NOT NULL,
+    size integer NOT NULL,
+    created timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    owner_id bigint REFERENCES users NOT NULL,
+
+    -- Type of contextual association
+    context varchar(64) NOT NULL, -- project, version, thread_message, report, etc.
+
+    -- Only one of these should be set (based on 'context')
+    mod_id bigint NULL REFERENCES mods,
+    version_id bigint NULL REFERENCES versions,
+    thread_message_id bigint NULL REFERENCES threads_messages,
+    report_id bigint NULL REFERENCES reports
+
+);