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|
require "crypto/bcrypt"
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 get_users
r = [] of Hash(String, String)
all(:get_users) do |row|
r << row
end
r
end
def add_user(
name : String,
active : Bool? = nil,
role : String? = nil,
email : String? = nil,
password : String? = nil,
)
user_id = -1_i64
transaction do
# add user
query(:add_user, {
"user_name": name
}, nil)
# get user_id
user_id = last_insert_row_id as Int64
# set active and/or role
if active || role
update_user(user_id,
active: active,
role: role,
)
end
# add login
if email || password
add_login(user_id,
email.not_nil!,
password.not_nil!
)
end
end
# return id
user_id
end
def update_user(
user_id : Int64,
name : String? = nil,
active : Bool? = nil,
role : String? = nil,
)
sets = [] of String
args = { "user_id": user_id.to_s }
if name != nil
args["name"] = name.not_nil!
sets << "user_name = :name"
end
if active != nil
args["is_active"] = active.not_nil! ? "1" : "0"
sets << "is_active = :is_active"
end
if role != nil
args["role"] = role.not_nil!
sets << "
role_id = (SELECT role_id
FROM roles
WHERE role_name = :role)
"
end
# exec query
query(:update_user, args, {
"sets": sets.join(", "),
}) if sets.size > 0
end
def delete_login(user_id : Int64)
query(:delete_login, {
"user_id": user_id.to_s
}, nil)
end
def add_login(
user_id : Int64,
email : String,
password : String,
)
# TODO: check password strength
raise "password too short" if password.size < 4
# hash password
pass_hash = Crypto::Bcrypt::Password.create(password, cost: 10).to_s
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
|
