adding config, user and refactored some content query code. all in their own files for better maintainability

1 files changed, 73 insertions, 0 deletions

diff --git a/system/db/user.go b/system/db/user.go
new file mode 100644
index 0000000..e205a47
--- /dev/null
+++ b/system/db/user.go
@@ -0,0 +1,73 @@
+package db
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+
+	"github.com/boltdb/bolt"
+	"github.com/nilslice/cms/system/admin/user"
+)
+
+// ErrUserExists is used for the db to report to admin user of existing user
+var ErrUserExists = errors.New("Error. User exists.")
+
+// SetUser sets key:value pairs in the db for user settings
+func SetUser(usr *user.User) (int, error) {
+	err := store.Update(func(tx *bolt.Tx) error {
+		email := []byte(usr.Email)
+		users := tx.Bucket([]byte("_users"))
+
+		// check if user is found by email, fail if nil
+		exists := users.Get(email)
+		if exists != nil {
+			return ErrUserExists
+		}
+
+		// get NextSequence int64 and set it as the User.ID
+		id, err := users.NextSequence()
+		if err != nil {
+			return err
+		}
+		usr.ID = int(id)
+
+		// marshal User to json and put into bucket
+		j, err := json.Marshal(usr)
+		if err != nil {
+			return err
+		}
+
+		err = users.Put([]byte(usr.Email), j)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+	if err != nil {
+		return 0, err
+	}
+
+	return usr.ID, nil
+}
+
+// User gets the user by email from the db
+func User(email string) ([]byte, error) {
+	val := &bytes.Buffer{}
+	err := store.View(func(tx *bolt.Tx) error {
+		b := tx.Bucket([]byte("_users"))
+		usr := b.Get([]byte(email))
+
+		_, err := val.Write(usr)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return val.Bytes(), nil
+}