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-rw-r--r--src/guff/migrations.cr66
-rw-r--r--src/guff/models.cr1
-rw-r--r--src/guff/models/user.cr88
3 files changed, 155 insertions, 0 deletions
diff --git a/src/guff/migrations.cr b/src/guff/migrations.cr
index c32e671..495b3dd 100644
--- a/src/guff/migrations.cr
+++ b/src/guff/migrations.cr
@@ -145,5 +145,71 @@ module Guff
}, %{
CREATE INDEX in_sessions_sid on sessions(session_id)
}],
+ }, {
+ id: "6-roles",
+
+ sql: [%{
+ CREATE TABLE roles (
+ -- unique identifier
+ role_id INTEGER PRIMARY KEY,
+
+ -- user-visible name of role
+ role_name TEXT UNIQUE NOT NULL,
+
+ -- brief description of role
+ role_desc TEXT NOT NULL
+ CHECK (LENGTH(role_desc) > 0)
+ )
+ }, %{
+ INSERT INTO roles(role_id, role_name, role_desc) VALUES
+ (0, 'guest', 'Guest account, no login.'),
+ (1, 'viewer', 'Login and read-only access.'),
+ (2, 'editor', 'Can create and edit posts.'),
+ (3, 'admin', 'Can create and edit posts and modify site.')
+ }],
+ }, {
+ id: "7-users",
+
+ sql: [%{
+ CREATE TABLE users (
+ user_id INTEGER PRIMARY KEY,
+
+ -- when was this user created?
+ created_at TIMESTAMP WITH TIME ZONE
+ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+ -- is this user active?
+ is_active BOOLEAN NOT NULL DEFAULT false,
+
+ -- role of this user
+ role_id INTEGER NOT NULL DEFAULT 0
+ REFERENCES roles(role_id),
+
+ -- display name (not the same as their login)
+ user_name TEXT UNIQUE NOT NULL
+ CHECK (LENGTH(user_name) > 0)
+ )
+ }, %{
+ INSERT INTO users(user_id, is_active, role_id, user_name) VALUES
+ (0, 1, (SELECT role_id FROM roles WHERE role_name = 'guest'), 'Guest'),
+ (1, 1, (SELECT role_id FROM roles WHERE role_name = 'admin'), 'Admin')
+ }],
+ }, {
+ id: "8-user-logins",
+ sql: [%{
+ CREATE TABLE user_logins (
+ user_id INTEGER UNIQUE NOT NULL
+ REFERENCES users(user_id),
+
+ -- email address of user
+ email TEXT UNIQUE NOT NULL
+ CHECK (email LIKE '%_@_%'),
+
+ -- bcrypt hash of password
+ pass_hash TEXT NOT NULL
+ )
+ }, %{
+ CREATE INDEX in_user_logins_email ON user_logins(email)
+ }],
}]
end
diff --git a/src/guff/models.cr b/src/guff/models.cr
index e9102b5..4da8c2d 100644
--- a/src/guff/models.cr
+++ b/src/guff/models.cr
@@ -34,6 +34,7 @@ module Guff
tag: TagModel,
site: SiteModel,
session: SessionModel,
+ user: UserModel,
})
end
end
diff --git a/src/guff/models/user.cr b/src/guff/models/user.cr
new file mode 100644
index 0000000..4dc6d0a
--- /dev/null
+++ b/src/guff/models/user.cr
@@ -0,0 +1,88 @@
+class Guff::UserModel < Guff::Model
+ SQL = TemplateCache.new({
+ add_user: "
+ INSERT INTO users(user_name) VALUES (:user_name)
+ ",
+
+ update_user: "
+ UPDATE users
+ SET %{sets}
+ WHERE user_id = :user_id
+ ",
+
+ delete_login: "
+ DELETE FROM user_logins WHERE user_id = :user_id
+ ",
+
+ add_login: "
+ INSERT INTO user_logins(user_id, email, pass_hash) VALUES
+ (:user_id, :email, :pass_hash)
+ ",
+ })
+
+ def initialize(models : Models)
+ super(models, SQL)
+ end
+
+ def add_user(user_name : String)
+ query(:add_user, {
+ "user_name": user_name
+ }, nil)
+
+ # return user id
+ last_insert_row_id
+ end
+
+ def update_user(
+ user_id : Int32,
+ user_name : String? = nil,
+ active : Boolean? = nil,
+ )
+ sets = [] of String
+ args = { "user_id": user_id.to_s }
+
+ if user_name != nil
+ sets << "user_name = :user_name"
+ args["user_name"] = user_name
+ end
+
+ if active != nil
+ sets << "is_active = :is_active"
+ args["is_active"] = active ? "1" : "0"
+ end
+
+ query(:update_user, args, {
+ "sets": sets.join(","),
+ }) if sets.length > 0
+ end
+
+ def delete_login(user_id : Int32)
+ query(:delete_login, {
+ "user_id": user_id.to_s
+ }, nil)
+ end
+
+ def add_login(
+ user_id : Int32,
+ email : String,
+ password : String,
+ )
+ # TODO: check password strength
+ raise "password too short" if password.length < 4
+
+ # hash password
+ pass_hash = Crypto::Bcrypt::Password.create(password, cost: 10)
+
+ transaction do
+ # clear old credentials
+ delete_login(user_id)
+
+ # add new credentials
+ query(:add_login, {
+ "user_id": user_id.to_s,
+ "email": email,
+ "pass_hash": pass_hash,
+ }, nil)
+ end
+ end
+end