add db, user registering into db, format

src/app.ml

@@ -0,0 +1,14 @@
+module App_id = struct
+  let qualifier = "org"
+
+  let organization = "Permap"
+
+  let application = "permap"
+end
+
+module Project_dirs = Directories.Project_dirs (App_id)
+
+let data_dir =
+  match Project_dirs.data_dir with
+  | None -> failwith "can't compute data directory"
+  | Some data_dir -> data_dir

src/db.ml

@@ -0,0 +1,13 @@
+let db_root = App.data_dir
+
+let () =
+  match Bos.OS.Dir.create (Fpath.v db_root) with
+  | Ok true -> Dream.log "created %s" db_root
+  | Ok false -> Dream.log "%s already exists" db_root
+  | Error (`Msg _) ->
+    Dream.warning (fun log -> log "error when creating %s" db_root)
+
+let db = Filename.concat db_root "permap.db"
+
+let with_db ?mode ?mutex ?cache ?vfs ?timeout f =
+  Sqlite3_utils.with_db ?mode ?mutex ?cache ?vfs ?timeout db f

src/dune

@@ -1,12 +1,9 @@
 (executable
  (public_name permap)
- (modules content login permap register template user)
- (libraries
-  dream
-  emile
-  omd
-  lambdasoup)
- (preprocess (pps lwt_ppx)))
+ (modules app content db login permap register template user)
+ (libraries bos directories dream emile omd sqlite3_utils lambdasoup)
+ (preprocess
+  (pps lwt_ppx)))
 
 (rule
  (targets template.ml)

src/permap.ml

@@ -45,22 +45,23 @@ let register _request = page_of_name "register"
 
 let () =
   Dream.run ~interface:"0.0.0.0"
-  @@ Dream.logger
-  @@ Dream.memory_sessions
+  @@ Dream.logger @@ Dream.memory_sessions
   @@ Dream.router
        [ Dream.get "/assets/**" (Dream.static ~loader:asset_loader "")
        ; Dream.get "/" homepage
-       ; Dream.get "/register" (fun request -> render_unsafe (Register.f request))
+       ; Dream.get "/register" (fun request ->
+             render_unsafe (Register.f request) )
        ; Dream.post "/register" (fun request ->
-           match%lwt Dream.form request with
-           | `Ok ["email", email; "nick", nick; "password", password] ->
-             render_unsafe (Register.f ~nick ~email ~password request)
-           | _ -> assert false)
+             match%lwt Dream.form request with
+             | `Ok [ ("email", email); ("nick", nick); ("password", password) ]
+               ->
+               render_unsafe (Register.f ~nick ~email ~password request)
+             | _ -> assert false )
        ; Dream.get "/login" (fun request -> render_unsafe (Login.f request))
        ; Dream.post "/login" (fun request ->
-           match%lwt Dream.form request with
-           | `Ok ["nick", nick; "password", password] ->
-             render_unsafe (Login.f ~nick ~password request)
-           | _ -> assert false)
+             match%lwt Dream.form request with
+             | `Ok [ ("nick", nick); ("password", password) ] ->
+               render_unsafe (Login.f ~nick ~password request)
+             | _ -> assert false )
        ]
   @@ Dream.not_found

src/register.eml.html

@@ -2,10 +2,10 @@ let f ?email ?nick ?password request =
 
 %   begin match email, nick, password with
 %   | Some email, Some nick, Some password ->
-%     begin match User.make ~email ~nick ~password with
+%     begin match User.register ~email ~nick ~password with
 %     | Error e ->
 Error: <%s e %>
-%     | Ok () ->
+%     | Ok _ ->
 User created !
 %     end;
 %   | _ ->

src/user.ml

@@ -1,35 +1,61 @@
-type t = {
-  nick: string;
-  password: string;
-  email: string option;
-}
+type t =
+  { nick : string
+  ; password : string
+  ; email : string (* TODO: make email optional ? *)
+  }
 
+let () =
+  let open Sqlite3_utils in
+  let res =
+    Db.with_db (fun db ->
+        exec0 db
+          "CREATE TABLE IF NOT EXISTS user (nick TEXT, password TEXT, email \
+           TEXT);" )
+  in
+  match res with
+  | Ok () -> ()
+  | Error e ->
+    Dream.warning (fun log ->
+        log "can't create table user: %s" (Sqlite3.Rc.to_string e) )
 
 let login ~nick ~password =
   if nick = nick && password = password then
-  Ok ()
+    Ok ()
   else
     Error "DDD"
 
-let make ~email ~nick ~password =
-
-  let nick_escaped = String.escaped nick in
+let register ~email ~nick ~password =
   (* TODO: remove bad characters (e.g. delthas) *)
-  let valid_nick = String.length nick < 64 && String.length nick > 0 && nick_escaped = nick in
-
-  let valid_email = match Emile.of_string email with
-  | Ok _ -> true
-  | Error _ -> false
+  let valid_nick =
+    String.length nick < 64
+    && String.length nick > 0
+    && String.escaped nick = nick
   in
 
-  let valid_password = String.length password < 128 && String.length password > 0 in
+  let valid_email =
+    match Emile.of_string email with
+    | Ok _ -> true
+    | Error _ -> false
+  in
+
+  let valid_password =
+    String.length password < 128 && String.length password > 0
+  in
 
   let valid = valid_nick && valid_email && valid_password in
 
   (* TODO: HASH PASSWORD XD *)
-
-  if valid then
-    (* TODO: add to db and check uniqueness of id *)
-    Ok ()
+  if not valid then
+    Error "Something is wrong"
   else
-    Error "Something is wrong."
+    (* TODO: add check uniqueness of id *)
+    let open Sqlite3_utils in
+    let res =
+      Db.with_db (fun db ->
+          exec_raw_args db "INSERT INTO user VALUES (?, ?, ?);"
+            [| Data.TEXT nick; Data.TEXT password; Data.TEXT email |]
+            ~f:Cursor.to_list )
+    in
+    match res with
+    | Ok res -> Ok res
+    | Error e -> Error (Format.sprintf "db error: %s" (Rc.to_string e))