feat: add helper functions for file and db ops and integrate them in

commands

cmd/utils/other.go

@@ -0,0 +1,82 @@
+package utils
+
+import (
+	"errors"
+	"os"
+	"path"
+
+	"github.com/pelletier/go-toml"
+	"gorm.io/gorm"
+)
+
+func GetEnvy() (*toml.Tree, error)	{
+	cwd, err := os.Getwd()
+	if err != nil {
+		return nil, errors.New("Not able to fetch working directory: " + err.Error())
+	}
+
+	_, err = os.Stat(path.Join(cwd, ".envy"))
+
+	// file exists
+	if err == nil {
+		envyFile, err := toml.LoadFile(path.Join(cwd, ".envy"))
+		if err != nil	{
+			return nil, errors.New("Error occured while reading .envy file:" + err.Error())
+		}
+		return envyFile, nil
+	}
+
+	// file does not exist
+	if os.IsNotExist(err)	{
+		return nil, errors.New(".envy file doesn't exist in the current directory.")
+	} else	{
+		return nil, errors.New("Some error occured:" + err.Error())
+	}
+}
+
+
+func GetProject(name string) (Project, error)	{
+	InitDb()
+
+	var dbProject Project
+	result := DB.Where("name = ?", name).First(&dbProject)
+
+	if result.Error != nil	{
+		if errors.Is(result.Error, gorm.ErrRecordNotFound)	{
+			return Project{}, errors.New("Project with the name " + name + " not found in the database.")
+		} else	{
+			return Project{}, errors.New("Some error occured: " + result.Error.Error())
+		}
+	}
+	return dbProject, nil
+}
+
+
+func GetEnvironments(project uint) ([]Environment, error)	{
+	InitDb()
+
+	var dbEnvs []Environment
+	result := DB.Where("project_id = ?", project).Find(&dbEnvs)
+
+	if result.Error != nil	{
+		return nil, errors.New("Some error occured: " + result.Error.Error())
+	}
+	return dbEnvs, nil
+}
+
+
+func GetEnvironment(project uint, environment string) (Environment, error)	{
+	InitDb()
+
+	var dbEnv Environment
+	result := DB.Where("project_id = ? AND name = ?", project, environment).First(&dbEnv)
+
+	if result.Error != nil	{
+		if errors.Is(result.Error, gorm.ErrRecordNotFound)	{
+			return Environment{}, errors.New("Environment with the name " + environment + " not found in the database.")
+		} else	{
+			return Environment{}, errors.New("Some error occured: " + result.Error.Error())
+		}
+	}
+	return dbEnv, nil
+}