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generate models for specified tables
This commit is contained in:
ZhengYang
parent
cbe5fc1d21
commit
6f8cff2acc
8
g.go
8
g.go
@ -20,8 +20,9 @@ var cmdGenerate = &Command{
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UsageLine: "generate [Command]",
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Short: "generate code based on application",
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Long: `
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bee generate model [-driver=mysql] [-conn=root:@tcp(127.0.0.1:3306)/test] [-level=1]
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bee generate model [-tables=""] [-driver=mysql] [-conn=root:@tcp(127.0.0.1:3306)/test] [-level=1]
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generate model based on an existing database
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-tables: a list of table names separated by ',', default is empty, indicating all tables
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-driver: [mysql | postgresql | sqlite], the default is mysql
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-conn: the connection string used by the driver, the default is root:@tcp(127.0.0.1:3306)/test
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-level: [1 | 2 | 3], 1 = model; 2 = models,controller; 3 = models,controllers,router
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@ -46,9 +47,11 @@ bee generate test [routerfile]
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var driver docValue
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var conn docValue
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var level docValue
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var tables docValue
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func init() {
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cmdGenerate.Run = generateCode
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cmdGenerate.Flag.Var(&tables, "tables", "specify tables to generate model")
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cmdGenerate.Flag.Var(&driver, "driver", "database driver: mysql, postgresql, etc.")
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cmdGenerate.Flag.Var(&conn, "conn", "connection string used by the driver to connect to a database instance")
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cmdGenerate.Flag.Var(&level, "level", "1 = models only; 2 = models and controllers; 3 = models, controllers and routers")
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@ -86,8 +89,9 @@ func generateCode(cmd *Command, args []string) {
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}
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ColorLog("[INFO] Using '%s' as 'driver'\n", driver)
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ColorLog("[INFO] Using '%s' as 'conn'\n", conn)
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ColorLog("[INFO] Using '%s' as 'tables'", tables)
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ColorLog("[INFO] Using '%s' as 'level'\n", level)
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generateModel(string(driver), string(conn), string(level), curpath)
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generateModel(string(driver), string(conn), string(level), string(tables), curpath)
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case "migration":
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if len(args) == 2 {
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mname := args[1]
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47
g_models.go
47
g_models.go
@ -191,7 +191,7 @@ func (tag *OrmTag) String() string {
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return fmt.Sprintf("`orm:\"%s\"`", strings.Join(ormOptions, ";"))
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}
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func generateModel(driver string, connStr string, level string, currpath string) {
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func generateModel(driver string, connStr string, level string, tables string, currpath string) {
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var mode byte
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if level == "1" {
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mode = O_MODEL
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@ -204,12 +204,19 @@ func generateModel(driver string, connStr string, level string, currpath string)
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ColorLog("[HINT] Level must be either 1, 2 or 3\n")
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os.Exit(2)
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}
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gen(driver, connStr, mode, currpath)
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var selectedTables map[string]bool
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if tables != "" {
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selectedTables = make(map[string]bool)
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for _, v := range strings.Split(tables, ",") {
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selectedTables[v] = true
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}
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}
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gen(driver, connStr, mode, selectedTables, currpath)
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}
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// Generate takes table, column and foreign key information from database connection
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// and generate corresponding golang source files
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func gen(dbms string, connStr string, mode byte, currpath string) {
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func gen(dbms string, connStr string, mode byte, selectedTableNames map[string]bool, currpath string) {
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db, err := sql.Open(dbms, connStr)
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if err != nil {
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ColorLog("[ERRO] Could not connect to %s: %s\n", dbms, connStr)
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@ -224,7 +231,7 @@ func gen(dbms string, connStr string, mode byte, currpath string) {
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mvcPath.ControllerPath = path.Join(currpath, "controllers")
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mvcPath.RouterPath = path.Join(currpath, "routers")
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createPaths(mode, mvcPath)
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writeSourceFiles(tables, mode, mvcPath)
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writeSourceFiles(tables, mode, mvcPath, selectedTableNames)
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}
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// getTables gets a list table names in current database
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@ -418,24 +425,30 @@ func createPaths(mode byte, paths *MvcPath) {
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// writeSourceFiles generates source files for model/controller/router
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// It will wipe the following directories and recreate them:./models, ./controllers, ./routers
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// Newly geneated files will be inside these folders.
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func writeSourceFiles(tables []*Table, mode byte, paths *MvcPath) {
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func writeSourceFiles(tables []*Table, mode byte, paths *MvcPath, selectedTables map[string]bool) {
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if (O_MODEL & mode) == O_MODEL {
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ColorLog("[INFO] Creating model files...\n")
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writeModelFiles(tables, paths.ModelPath)
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writeModelFiles(tables, paths.ModelPath, selectedTables)
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}
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if (O_CONTROLLER & mode) == O_CONTROLLER {
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ColorLog("[INFO] Creating controller files...\n")
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writeControllerFiles(tables, paths.ControllerPath)
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writeControllerFiles(tables, paths.ControllerPath, selectedTables)
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}
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if (O_ROUTER & mode) == O_ROUTER {
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ColorLog("[INFO] Creating router files...\n")
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writeRouterFile(tables, paths.RouterPath)
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writeRouterFile(tables, paths.RouterPath, selectedTables)
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}
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}
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// writeModelFiles generates model files
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func writeModelFiles(tables []*Table, mPath string) {
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func writeModelFiles(tables []*Table, mPath string, selectedTables map[string]bool) {
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for _, tb := range tables {
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// if selectedTables map is not nil and this table is not selected, ignore it
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if selectedTables != nil {
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if _, selected := selectedTables[tb.Name]; !selected {
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continue
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}
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}
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filename := getFileName(tb.Name)
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fpath := path.Join(mPath, filename+".go")
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f, err := os.OpenFile(fpath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666)
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@ -462,8 +475,14 @@ func writeModelFiles(tables []*Table, mPath string) {
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}
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// writeControllerFiles generates controller files
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func writeControllerFiles(tables []*Table, cPath string) {
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func writeControllerFiles(tables []*Table, cPath string, selectedTables map[string]bool) {
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for _, tb := range tables {
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// if selectedTables map is not nil and this table is not selected, ignore it
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if selectedTables != nil {
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if _, selected := selectedTables[tb.Name]; !selected {
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continue
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}
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}
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if tb.Pk == "" {
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continue
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}
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@ -486,9 +505,15 @@ func writeControllerFiles(tables []*Table, cPath string) {
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}
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// writeRouterFile generates router file
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func writeRouterFile(tables []*Table, rPath string) {
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func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bool) {
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var nameSpaces []string
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for _, tb := range tables {
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// if selectedTables map is not nil and this table is not selected, ignore it
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if selectedTables != nil {
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if _, selected := selectedTables[tb.Name]; !selected {
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continue
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}
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}
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if tb.Pk == "" {
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continue
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}
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