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Merge pull request #142 from svanharmelen/feat/config
Introduce a way to support user defined configurations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package app | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/url" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/pelletier/go-toml/v2" | ||
|
|
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| "github.com/jorgerojas26/lazysql/drivers" | ||
| "github.com/jorgerojas26/lazysql/models" | ||
| ) | ||
|
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| type Config struct { | ||
| AppConfig *models.AppConfig `toml:"application"` | ||
| Connections []models.Connection `toml:"database"` | ||
| } | ||
|
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| func defaultConfig() *Config { | ||
| return &Config{ | ||
| AppConfig: &models.AppConfig{ | ||
| DefaultPageSize: 300, | ||
| }, | ||
| } | ||
| } | ||
|
|
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| func defaultConfigFile() (string, error) { | ||
| configDir := os.Getenv("XDG_CONFIG_HOME") | ||
| if configDir == "" { | ||
| dir, err := os.UserConfigDir() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| configDir = dir | ||
| } | ||
| return filepath.Join(configDir, "lazysql", "config.toml"), nil | ||
| } | ||
|
|
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| func LoadConfig() error { | ||
| configFile, err := defaultConfigFile() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| file, err := os.ReadFile(configFile) | ||
| if err != nil && !os.IsNotExist(err) { | ||
| return err | ||
| } | ||
|
|
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| err = toml.Unmarshal(file, App.config) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| for i, conn := range App.config.Connections { | ||
| App.config.Connections[i].URL = parseConfigURL(&conn) | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
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| func (c *Config) SaveConnections(connections []models.Connection) error { | ||
| c.Connections = connections | ||
|
|
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| configFile, err := defaultConfigFile() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| if err = os.MkdirAll(filepath.Dir(configFile), 0o755); err != nil { | ||
| return err | ||
| } | ||
|
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| file, err := os.Create(configFile) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer file.Close() | ||
|
|
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| return toml.NewEncoder(file).Encode(c) | ||
| } | ||
|
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| // parseConfigURL automatically generates the URL from the connection struct | ||
| // if the URL is empty. It is useful for handling usernames and passwords with | ||
| // special characters. NOTE: Only MSSQL is supported for now! | ||
| func parseConfigURL(conn *models.Connection) string { | ||
| if conn.URL != "" { | ||
| return conn.URL | ||
| } | ||
|
|
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| // Only MSSQL is supported for now. | ||
| if conn.Provider != drivers.DriverMSSQL { | ||
| return conn.URL | ||
| } | ||
|
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| user := url.QueryEscape(conn.Username) | ||
| pass := url.QueryEscape(conn.Password) | ||
|
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| return fmt.Sprintf( | ||
| "%s://%s:%s@%s:%s?database=%s%s", | ||
| conn.Provider, | ||
| user, | ||
| pass, | ||
| conn.Hostname, | ||
| conn.Port, | ||
| conn.DBName, | ||
| conn.URLParams, | ||
| ) | ||
| } |
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