moved proc and type defs to own files

src/server/files.nim

@@ -0,0 +1,12 @@
+import norm/model
+import users
+
+# file objects are owned by a user
+type File* = ref object of Model
+  owner*: User
+  path*: string
+  tags*: string #? This is a temporary hack should be of type `tags: seq[string]` instead
+
+# creates a new file object and sets default values, recommended by the norm documentation 
+func newFile*(user: User = newUser(), path: string = "", tags: string = ""): File =
+  File(owner: user, path: path, tags: tags)

src/server/users.nim

@@ -0,0 +1,37 @@
+import std/[random, with, times]
+import norm/[model, sqlite]
+import checksums/sha3
+
+# define user object
+type User* = ref object of Model
+  username*: string     # should be unique
+  email*: string        # should be unique
+  password*: string
+  token*: string        # should be unique
+
+# generate secure login token
+proc generateToken*(username: string = ""): string =
+  randomize()
+  with result:
+    add $getTime().nanosecond()
+    add $rand(1_000_000_000)
+    add username
+    add $(getTime().toUnix())
+  $Sha3_512.secureHash(result)
+
+# checks if the provided token exists in the database
+proc validToken*(db: DbConn, user: var User, token: string): bool =
+  try:
+    db.select(user, "token = ?", token)
+    return true
+  except NotFoundError:
+    return false
+
+# update user's token using a newly generated token
+proc genNewToken*(db: DbConn, user: var User) =
+  user.token = generateToken(user.username)
+  db.update(user)
+
+# creates a new user object and sets default values, recommended by the norm documentation 
+proc newUser*(username: string = "", email: string = "", password: string = ""): User =
+  User(username: username, email: email, password: password, token: generateToken(username))