profile comments

db/migrations/8_account_comments.sql

@@ -0,0 +1,13 @@
+-- +migrate up
+CREATE TABLE account_comments (
+  id  SERIAL  PRIMARY KEY,
+
+  account_id  INTEGER  NOT NULL  references users(id),
+  comment     TEXT     NOT NULL,
+
+  created_at  TEXT  NOT NULL  DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'now')),
+  likes  INTEGER  NOT NULL  DEFAULT 0
+);
+
+-- +migrate down
+DROP TABLE account_comments;

src/endpoints/misc/likeItem.cr

@@ -18,16 +18,19 @@ CrystalGauntlet.endpoints["/likeGJItem211.php"] = ->(body : String): String {
   table = ""
   column = ""
   case type
-  when 1
+  when 1 # level like
     table = "levels"
     column = "id"
-  else # type 2 = comment, type 3 = account comments
+  when 2 # level comment like
+    table = "account_comments"
+    column = "id"
+  when 3 # account comments
     return "-1"
   end
 
   is_like = (params["isLike"]? || "1").to_i
   sign = is_like == 1 ? '+' : '-'
-  
+
   # note: formatting them like this is not a security vulnerability as the only possibilities for table, sign
   # and column are already known and not controlled directly by user input
   DATABASE.exec "update #{table} set likes = likes #{sign} 1 where #{column} = ?", item_id

src/endpoints/users/addProfileComment.cr

@@ -0,0 +1,25 @@
+require "uri"
+
+include CrystalGauntlet
+
+CrystalGauntlet.endpoints["/uploadGJAccComment20.php"] = ->(body : String): String {
+  params = URI::Params.parse(body)
+  puts params.inspect
+
+  user_id, account_id = Accounts.auth(params)
+  if !(user_id && account_id)
+    return "-1"
+  end
+
+  comment = params["comment"]?
+
+  if comment && comment != ""
+    # todo: cap comment size
+    comment_value = Base64.decode_string comment # usual b64, surprisingly
+    next_id = (DATABASE.scalar("select max(id) from account_comments").as(Int64 | Nil) || 0) + 1
+    DATABASE.exec("insert into account_comments (id, account_id, comment) values (?, ?, ?)", next_id, account_id, comment_value)
+    return "1"
+  else
+    return "-1"
+  end
+}

src/endpoints/users/deleteProfileComment.cr

@@ -0,0 +1,26 @@
+require "uri"
+
+include CrystalGauntlet
+
+CrystalGauntlet.endpoints["/deleteGJAccComment20.php"] = ->(body : String): String {
+  params = URI::Params.parse(body)
+  puts params.inspect
+
+  user_id, account_id = Accounts.auth(params)
+  if !(user_id && account_id)
+    return "-1"
+  end
+
+  comment_id = params["commentID"].to_i
+
+  # kind of a dumb hack, but it works
+  target_account_id = DATABASE.scalar("select max(account_id) from account_comments where id = ?", comment_id).as(Int64 | Nil)
+
+  # todo: let mods delete any comment
+  if target_account_id && account_id == target_account_id
+    DATABASE.exec("delete from account_comments where id = ?", comment_id)
+    return "1"
+  else
+    return "-1"
+  end
+}

src/endpoints/users/getProfileComments.cr

@@ -0,0 +1,41 @@
+require "uri"
+
+include CrystalGauntlet
+
+comments_per_page = 10
+
+CrystalGauntlet.endpoints["/getGJAccountComments20.php"] = ->(body : String): String {
+  params = URI::Params.parse(body)
+  puts params.inspect
+
+  account_id = params["accountID"].to_i
+
+  comment_offset = (params["page"]? || "0").to_i * comments_per_page
+
+  amount = DATABASE.scalar("select count(*) from account_comments where account_id = ?", account_id)
+
+  users_str = [] of String
+
+  DATABASE.query("select id, comment, created_at, likes from account_comments where account_id = ? order by created_at desc limit #{comments_per_page} offset #{comment_offset}", account_id) do |rs|
+    rs.each do
+      id = rs.read(Int32)
+      comment = rs.read(String)
+      created_at = rs.read(String)
+      likes = rs.read(Int32)
+
+      users_str << Format.fmt_comment({
+        2 => Base64.encode(comment).strip("\n"),
+        3 => account_id,
+        4 => likes,
+        5 => 0,
+        7 => likes < -3, # todo: config?
+        #9 => Format.fmt_timespan(Time.utc - Time.parse(created_at, Format::TIME_FORMAT, Time::Location::UTC)),
+        6 => id
+      })
+    end
+  end
+
+  search_meta = "#{amount}:#{comment_offset}:#{comments_per_page}"
+
+  [users_str.join("|"), search_meta].join("#")
+}

src/lib/format.cr

@@ -46,6 +46,10 @@ module CrystalGauntlet::Format
   def fmt_song(hash) : String
     hash.map_with_index{ |(i, v)| "#{i}~|~#{fmt_value(v)}" }.join("~|~")
   end
+
+  def fmt_comment(hash) : String
+    hash.map_with_index{ |(i, v)| "#{i}~#{fmt_value(v)}" }.join("~")
+  end
 end
 
 module CrystalGauntlet::GDBase64