core: short link connection plans wip; short links implementation comments (#5947)

src/Simplex/Chat/Store/Direct.hs

@@ -199,7 +199,8 @@ getContactByConnReqHash db vr user@User {userId} cReqHash = do
           SELECT
             -- Contact
             ct.contact_id, ct.contact_profile_id, ct.local_display_name, ct.via_group, cp.display_name, cp.full_name, cp.image, cp.contact_link, cp.local_alias, ct.contact_used, ct.contact_status, ct.enable_ntfs, ct.send_rcpts, ct.favorite,
-            cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl,
+            cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.conn_req_to_connect,
+            ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl,
             -- Connection
             c.connection_id, c.agent_conn_id, c.conn_level, c.via_contact, c.via_user_contact_link, c.via_group_link, c.group_link_id, c.custom_user_profile_id, c.conn_status, c.conn_type, c.contact_conn_initiated, c.local_alias,
             c.contact_id, c.group_member_id, c.snd_file_id, c.rcv_file_id, c.user_contact_link_id, c.created_at, c.security_code, c.security_code_verified_at, c.pq_support, c.pq_encryption, c.pq_snd_enabled, c.pq_rcv_enabled, c.auth_err_counter, c.quota_err_counter,
@@ -261,6 +262,7 @@ createDirectContact db user@User {userId} conn@Connection {connId, localAlias} p
         createdAt = currentTs,
         updatedAt = currentTs,
         chatTs = Just currentTs,
+        connReqToConnect = Nothing,
         contactGroupMemberId = Nothing,
         contactGrpInvSent = False,
         chatTags = [],
@@ -650,7 +652,8 @@ createOrUpdateContactRequest db vr user@User {userId, userContactId} userContact
               SELECT
                 -- Contact
                 ct.contact_id, ct.contact_profile_id, ct.local_display_name, ct.via_group, cp.display_name, cp.full_name, cp.image, cp.contact_link, cp.local_alias, ct.contact_used, ct.contact_status, ct.enable_ntfs, ct.send_rcpts, ct.favorite,
-                cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl,
+                cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.conn_req_to_connect,
+                ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl,
                 -- Connection
                 c.connection_id, c.agent_conn_id, c.conn_level, c.via_contact, c.via_user_contact_link, c.via_group_link, c.group_link_id, c.custom_user_profile_id, c.conn_status, c.conn_type, c.contact_conn_initiated, c.local_alias,
                 c.contact_id, c.group_member_id, c.snd_file_id, c.rcv_file_id, c.user_contact_link_id, c.created_at, c.security_code, c.security_code_verified_at, c.pq_support, c.pq_encryption, c.pq_snd_enabled, c.pq_rcv_enabled, c.auth_err_counter, c.quota_err_counter,
@@ -826,6 +829,7 @@ createAcceptedContact db user@User {userId, profile = LocalProfile {preferences}
             createdAt,
             updatedAt = createdAt,
             chatTs = Just createdAt,
+            connReqToConnect = Nothing,
             contactGroupMemberId = Nothing,
             contactGrpInvSent = False,
             chatTags = [],
@@ -865,7 +869,8 @@ getContact_ db vr user@User {userId} contactId deleted = do
         SELECT
           -- Contact
           ct.contact_id, ct.contact_profile_id, ct.local_display_name, ct.via_group, cp.display_name, cp.full_name, cp.image, cp.contact_link, cp.local_alias, ct.contact_used, ct.contact_status, ct.enable_ntfs, ct.send_rcpts, ct.favorite,
-          cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl,
+          cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.conn_req_to_connect,
+          ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl,
           -- Connection
           c.connection_id, c.agent_conn_id, c.conn_level, c.via_contact, c.via_user_contact_link, c.via_group_link, c.group_link_id, c.custom_user_profile_id, c.conn_status, c.conn_type, c.contact_conn_initiated, c.local_alias,
           c.contact_id, c.group_member_id, c.snd_file_id, c.rcv_file_id, c.user_contact_link_id, c.created_at, c.security_code, c.security_code_verified_at, c.pq_support, c.pq_encryption, c.pq_snd_enabled, c.pq_rcv_enabled, c.auth_err_counter, c.quota_err_counter,