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Merge pull request #92 from kcmvp/v013
#10: apply cobra template for pretty print
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| Original file line number | Diff line number | Diff line change |
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@@ -21,6 +21,5 @@ | |
| go.work | ||
| .idea | ||
| gob | ||
| *.sql | ||
| 11.json | ||
| target | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| # "postgres://username:password@localhost:5432/database_name" | ||
| # username:password@protocol(address)/dbname?param=value | ||
| datasource: | ||
| ds1: | ||
| driver: sqlite3 | ||
| user: usera | ||
| password: passwd1 | ||
| Host: localhost | ||
| url: file:test1.db?cache=shared&mode=memory | ||
| ds2: | ||
| driver: sqlite3 | ||
| user: userb | ||
| password: passwd2 | ||
| url: file:test2.db?cache=shared&mode=memory | ||
| scripts: | ||
| - sqlite3-schema.sql | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| # "postgres://username:password@localhost:5432/database_name" | ||
| # username:password@protocol(address)/dbname?param=value | ||
| datasource: | ||
| ds1: | ||
| driver: sqlite3 | ||
| user: abc | ||
| password: 123 | ||
| url: file:test3.db?cache=shared&mode=memory | ||
| scripts: | ||
| - sqlite3-schema.sql | ||
| - sqlite3-init.sql | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package boot | ||
|
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "sync" | ||
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| "github.com/kcmvp/gob/internal" | ||
| "github.com/kcmvp/gob/utils" | ||
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| "github.com/samber/do/v2" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
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||
| const ( | ||
| DefaultCfg = "application" | ||
| ) | ||
|
|
||
| var ( | ||
| cfg *viper.Viper | ||
| once sync.Once | ||
| ) | ||
|
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||
| func RootDir() string { | ||
| return internal.RootDir | ||
| } | ||
|
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| func Container() *do.RootScope { | ||
| return internal.Container | ||
| } | ||
|
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| func InitApp() { | ||
| InitAppWith(DefaultCfg) | ||
| } | ||
|
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| func InitAppWith(cfgName string) { | ||
| if cfg == nil { | ||
| once.Do(func() { | ||
| cfg = viper.New() | ||
| cfg.SetConfigName(cfgName) // name of cfg file (without extension) | ||
| cfg.SetConfigType("yaml") // REQUIRED if the cfg file does not have the extension in the name | ||
| cfg.AddConfigPath(internal.RootDir) // optionally look for cfg in the working directory | ||
| if err := cfg.ReadInConfig(); err != nil { // Find and read the cfg file | ||
| panic(fmt.Errorf("fatal error cfg file: %w", err)) | ||
| } | ||
| if test, _ := utils.TestCaller(); test { | ||
| if testCfg, err := os.Open(filepath.Join(internal.RootDir, fmt.Sprintf("%s_test.yaml", cfgName))); err == nil { | ||
| if err = cfg.MergeConfig(testCfg); err != nil { | ||
| panic(fmt.Errorf("failed to merge test configuration file: %w", err)) | ||
| } | ||
| } | ||
| } | ||
| setupDb() | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package boot | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
|
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| "github.com/kcmvp/gob/internal" | ||
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| //"github.com/kcmvp/gob/internal" | ||
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| "github.com/samber/do/v2" | ||
| typetostring "github.com/samber/go-type-to-string" | ||
| "github.com/samber/lo" | ||
| ) | ||
|
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||
| const ( | ||
| DSKey = "datasource" | ||
| UserKey = "${user}" | ||
| PasswordKey = "${password}" | ||
| HostKey = "${host}" | ||
| DefaultDS = "DefaultDS" | ||
| ) | ||
|
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| type dataSource struct { | ||
| Driver string `mapstructure:"driver"` | ||
| User string `mapstructure:"user"` | ||
| Password string `mapstructure:"password"` | ||
| Host string `mapstructure:"host"` | ||
| URL string `mapstructure:"url"` | ||
| Scripts []string `mapstructure:"scripts"` | ||
| } | ||
|
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| func (ds dataSource) DSN() string { | ||
| dsn := strings.ReplaceAll(ds.URL, UserKey, ds.User) | ||
| dsn = strings.ReplaceAll(dsn, PasswordKey, ds.Password) | ||
| return strings.ReplaceAll(dsn, HostKey, ds.Host) | ||
| } | ||
|
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| func dsMap() map[string]dataSource { | ||
| // single data source | ||
| if v := cfg.Get(fmt.Sprintf("%s.%s", DSKey, "driver")); v != nil { | ||
| var ds dataSource | ||
| if err := cfg.UnmarshalKey(DSKey, &ds); err != nil { | ||
| panic(fmt.Errorf("failed parse datasource: %w", err)) | ||
| } | ||
| return map[string]dataSource{DefaultDS: ds} | ||
| // multiple data sources | ||
| } else if v = cfg.Get(DSKey); v != nil { | ||
| dss := v.(map[string]any) | ||
| return lo.MapValues(dss, func(_ any, key string) dataSource { | ||
| var ds dataSource | ||
| key = fmt.Sprintf("%s.%s", DSKey, key) | ||
| if err := cfg.UnmarshalKey(key, &ds); err != nil { | ||
| panic(fmt.Errorf("failed parse datasource: %w", err)) | ||
| } | ||
| return ds | ||
| }) | ||
| } | ||
| return map[string]dataSource{} | ||
| } | ||
|
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| func setupDb() { | ||
| for name, ds := range dsMap() { | ||
| if db, err := sql.Open(ds.Driver, ds.DSN()); err == nil { | ||
| if err = db.Ping(); err != nil { | ||
| _ = db.Close() | ||
| panic(fmt.Errorf("failed to initialize %s: %w", name, err)) | ||
| } | ||
| lo.ForEach(ds.Scripts, func(script string, _ int) { | ||
| if data, err := os.ReadFile(filepath.Join(internal.RootDir, script)); err == nil { | ||
| if _, err = db.Exec(string(data)); err != nil { | ||
| panic(fmt.Errorf("failed to execute %s: %w", script, err)) | ||
| } | ||
| } else { | ||
| panic(fmt.Errorf("failed to read %s: %w", script, err)) | ||
| } | ||
| }) | ||
| do.ProvideNamedValue[*sql.DB](internal.Container, fmt.Sprintf("%s_%s", name, typetostring.GetType[*sql.DB]()), db) | ||
| } else { | ||
| panic(fmt.Errorf("failed to connect to datasource %s: %w", name, err)) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package boot | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "fmt" | ||
| "github.com/kcmvp/gob/internal" | ||
| _ "github.com/mattn/go-sqlite3" | ||
| "github.com/samber/do/v2" | ||
| typetostring "github.com/samber/go-type-to-string" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/suite" | ||
| "testing" | ||
| ) | ||
|
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| type DBTestSuite struct { | ||
| suite.Suite | ||
| } | ||
|
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| func TestDBTestSuite(t *testing.T) { | ||
| suite.Run(t, &DBTestSuite{}) | ||
| } | ||
|
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| func (dbs *DBTestSuite) SetupSuite() { | ||
| InitApp() | ||
| } | ||
|
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| func (dbs *DBTestSuite) TestMultipleDB() { | ||
| ds := dsMap() | ||
| assert.Equal(dbs.T(), 2, len(ds)) | ||
| db := do.MustInvokeNamed[*sql.DB](internal.Container, fmt.Sprintf("%s_%s", "ds1", typetostring.GetType[*sql.DB]())) | ||
| assert.NotNil(dbs.T(), db) | ||
| rs, err := db.Exec("select * from Product") | ||
| assert.NoError(dbs.T(), err) | ||
| cnt, _ := rs.RowsAffected() | ||
| assert.Equal(dbs.T(), int64(2), cnt) | ||
| db = do.MustInvokeNamed[*sql.DB](internal.Container, fmt.Sprintf("%s_%s", "ds2", typetostring.GetType[*sql.DB]())) | ||
| assert.NotNil(dbs.T(), db) | ||
| rs, err = db.Exec("select * from Product") | ||
| assert.NoError(dbs.T(), err) | ||
| cnt, _ = rs.RowsAffected() | ||
| assert.Equal(dbs.T(), int64(0), cnt) | ||
| } |
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