guild, channels: add dummy implementation for search

- schemas: add SEARCH_CHANNEL
 - migration.scripts: add 5_add_messages_guild_id
 - schema.sql: add messages.guild_id

litecord/blueprints/channels.py

@@ -7,7 +7,7 @@ from litecord.auth import token_check
 from litecord.enums import ChannelType, GUILD_CHANS
 from litecord.errors import ChannelNotFound
 from litecord.schemas import (
-    validate, CHAN_UPDATE, CHAN_OVERWRITE
+    validate, CHAN_UPDATE, CHAN_OVERWRITE, SEARCH_CHANNEL
 )
 
 from litecord.blueprints.checks import channel_check, channel_perm_check
@@ -490,3 +490,41 @@ async def delete_read_state(channel_id):
     """, user_id, channel_id)
 
     return '', 204
+
+
+@bp.route('/<int:channel_id>/messages/search', methods=['GET'])
+async def _search_channel(channel_id):
+    """Search in DMs or group DMs"""
+    user_id = await token_check()
+    await channel_check(user_id, channel_id)
+    await channel_perm_check(user_id, channel_id, 'read_messages')
+    j = validate(request.args, SEARCH_CHANNEL)
+
+    # main message ids
+    rows = await app.db.fetch(f"""
+    SELECT message_id,
+        COUNT(*) OVER() as total_results
+    FROM messages
+    WHERE channel_id = $1 AND content LIKE '%'||$3||'%'
+    ORDER BY
+    LIMIT 50
+    OFFSET $2
+    """, channel_id, j['offset'], j['content'])
+
+    results = 0 if not rows else rows[0]['total_results']
+    main_messages = [r['message_id'] for r in rows]
+
+    # fetch contexts for each message
+    # (2 messages before, 2 messages after).
+
+    # TODO: actual contexts
+    res = []
+
+    for message_id in main_messages:
+        res.append([await app.storage.get_message(message_id)])
+
+    return jsonify({
+        'total_results': results,
+        'messages': res,
+        'analytics_id': '',
+    })

litecord/blueprints/guilds.py

@@ -9,7 +9,7 @@ from ..auth import token_check
 from ..snowflake import get_snowflake
 from ..enums import ChannelType
 from ..schemas import (
-    validate, GUILD_CREATE, GUILD_UPDATE
+    validate, GUILD_CREATE, GUILD_UPDATE, SEARCH_CHANNEL
 )
 from .channels import channel_ack
 from .checks import guild_check, guild_owner_check
@@ -277,7 +277,7 @@ async def delete_guild(guild_id):
     return '', 204
 
 
-@bp.route('/<int:guild_id>/messages/search')
+@bp.route('/<int:guild_id>/messages/search', methods=['GET'])
 async def search_messages(guild_id):
     """Search messages in a guild.
 
@@ -286,12 +286,37 @@ async def search_messages(guild_id):
     user_id = await token_check()
     await guild_check(user_id, guild_id)
 
-    # TODO: implement route
+    j = validate(request.args, SEARCH_CHANNEL)
+
+    # main message ids
+    # TODO: filter only channels where user can
+    # read messages to prevent leaking
+    rows = await app.db.fetch(f"""
+    SELECT message_id,
+        COUNT(*) OVER() as total_results
+    FROM messages
+    WHERE guild_id = $1
+    ORDER BY
+    LIMIT 50
+    OFFSET $2
+    """, guild_id, j['offset'])
+
+    results = 0 if not rows else rows[0]['total_results']
+    main_messages = [r['message_id'] for r in rows]
+
+    # fetch contexts for each message
+    # (2 messages before, 2 messages after).
+
+    # TODO: actual contexts
+    res = []
+
+    for message_id in main_messages:
+        res.append([await app.storage.get_message(message_id)])
 
     return jsonify({
-        'total_results': 0,
-        'messages': [],
-        'analytics_id': 'ass',
+        'total_results': results,
+        'messages': res,
+        'analytics_id': '',
     })
 
 

litecord/schemas.py

@@ -591,3 +591,10 @@ PATCH_EMOJI = {
         'type': 'string', 'minlength': 1, 'maxlength': 256, 'required': True},
     'roles': {'type': 'list', 'schema': {'coerce': int}}
 }
+
+
+SEARCH_CHANNEL = {
+    'content': {'type': 'string', 'minlength': 1},
+    'include_nsfw': {'type': 'boolean'},
+    'offset': {'coerce': int}
+}

manage/cmd/migration/scripts/5_add_messages_guild_id.sql

@@ -0,0 +1 @@
+ALTER TABLE messages ADD COLUMN guild_id bigint REFERENCES guilds (id) ON DELETE CASCADE;

schema.sql

@@ -590,6 +590,9 @@ CREATE TABLE IF NOT EXISTS messages (
     id bigint PRIMARY KEY,
     channel_id bigint REFERENCES channels (id) ON DELETE CASCADE,
 
+    -- this is good for search.
+    guild_id bigint REFERENCES guilds (id) ON DELETE CASCADE,
+
     -- those are mutually exclusive, only one of them
     -- can NOT be NULL at a time.