Restructure project layout

internal/database/application.go

@@ -0,0 +1,55 @@
+package database
+
+import (
+	"errors"
+
+	"github.com/pushbits/server/internal/assert"
+	"github.com/pushbits/server/internal/model"
+
+	"gorm.io/gorm"
+)
+
+// CreateApplication creates an application.
+func (d *Database) CreateApplication(application *model.Application) error {
+	return d.gormdb.Create(application).Error
+}
+
+// DeleteApplication deletes an application.
+func (d *Database) DeleteApplication(application *model.Application) error {
+	return d.gormdb.Delete(application).Error
+}
+
+// UpdateApplication updates an application.
+func (d *Database) UpdateApplication(application *model.Application) error {
+	return d.gormdb.Save(application).Error
+}
+
+// GetApplicationByID returns the application with the given ID or nil.
+func (d *Database) GetApplicationByID(ID uint) (*model.Application, error) {
+	var application model.Application
+
+	err := d.gormdb.First(&application, ID).Error
+
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, err
+	}
+
+	assert.Assert(application.ID == ID)
+
+	return &application, err
+}
+
+// GetApplicationByToken returns the application with the given token or nil.
+func (d *Database) GetApplicationByToken(token string) (*model.Application, error) {
+	var application model.Application
+
+	err := d.gormdb.Where("token = ?", token).First(&application).Error
+
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, err
+	}
+
+	assert.Assert(application.Token == token)
+
+	return &application, err
+}