feat: Server switcher command (#5)

feat: Server switcher command

feat: Tenant, Database and defaults flag

- Updated docs

cmd/server.go

@@ -7,14 +7,16 @@ import (
 
 // serverCmd represents the server command
 var serverCmd = &cobra.Command{
-	Use:   "server",
-	Short: "Manage Chroma servers",
-	Long:  ``,
+	Use:     "server",
+	Aliases: []string{"s"},
+	Short:   "Manage Chroma servers",
+	Long:    ``,
 }
 
 func init() {
 	rootCmd.AddCommand(serverCmd)
 	serverCmd.AddCommand(server.AddCommand)
 	serverCmd.AddCommand(server.ListCommand)
 	serverCmd.AddCommand(server.RmCommand)
+	rootCmd.AddCommand(server.SwitchCommand)
 }

cmd/server/server.go

@@ -101,6 +101,55 @@ func getDatabase(changed bool) (string, error) {
 	return Database, nil
 }
 
+// setActiveServer sets the active server to the one with the given alias
+func setActiveServer(alias string) error {
+	var servers = viper.GetStringMap("servers")
+	if servers == nil {
+		servers = make(map[string]interface{})
+	}
+	if _, ok := servers[alias]; ok {
+		viper.Set("active_server", alias)
+		err := viper.WriteConfig()
+		if err != nil {
+			return fmt.Errorf("unable to write to config file: %v", err)
+		}
+	} else {
+		return fmt.Errorf("server with alias %v does not exist", alias)
+	}
+	return nil
+}
+
+// setActiveDatabase sets the active database to the one with the given name
+func setActiveDatabase(database string) error {
+	viper.Set("active_db", database)
+	err := viper.WriteConfig()
+	if err != nil {
+		return fmt.Errorf("unable to write to config file: %v", err)
+	}
+	return nil
+}
+
+// setActiveTenant sets the active tenant to the one with the given name
+func setActiveTenant(tenant string) error {
+	viper.Set("active_tenant", tenant)
+	err := viper.WriteConfig()
+	if err != nil {
+		return fmt.Errorf("unable to write to config file: %v", err)
+	}
+	return nil
+}
+
+func getServer(alias string) (map[string]interface{}, error) {
+	var servers = viper.GetStringMap("servers")
+	if servers == nil {
+		servers = make(map[string]interface{})
+	}
+	if server, ok := servers[alias]; ok {
+		return server.(map[string]interface{}), nil
+	}
+	return nil, fmt.Errorf("server with alias %v does not exist", alias)
+}
+
 var Host string
 var Port string
 var Overwrite bool
@@ -219,6 +268,10 @@ var RmCommand = &cobra.Command{
 				os.Exit(0)
 			}
 			delete(servers, alias)
+			if viper.GetString("active") == alias {
+				viper.Set("active", "")
+				fmt.Println(alias, "was the active server. You will need to set a new active server.")
+			}
 			viper.Set("servers", servers)
 			err := viper.WriteConfig()
 			if err != nil {
@@ -249,6 +302,74 @@ var ListCommand = &cobra.Command{
 	},
 }
 
+var DBAndTenantDefaults bool
+
+var SwitchCommand = &cobra.Command{
+	Use:     "switch",
+	Aliases: []string{"sw"},
+	Short:   "Set active server",
+	Args:    cobra.MinimumNArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		alias := args[0]
+		err := setActiveServer(alias)
+		if err != nil {
+			fmt.Printf("%v\n", err)
+			os.Exit(1)
+		}
+		if cmd.Flags().Changed("tenant") {
+			err := setActiveTenant(Tenant)
+			if err != nil {
+				fmt.Printf("%v\n", err)
+				os.Exit(1)
+			}
+			fmt.Printf("Tenant '%v' set as active!\n", Tenant)
+		} else if cmd.Flags().Changed("defaults") {
+			getSrv, err := getServer(alias)
+			if err != nil {
+				fmt.Printf("%v\n", err)
+				os.Exit(1)
+			}
+			if getSrv["tenant"] == nil {
+				getSrv["tenant"] = DefaultTenant
+			}
+			if _, ok := getSrv["tenant"]; ok {
+				err := setActiveTenant(getSrv["tenant"].(string))
+				if err != nil {
+					fmt.Printf("%v\n", err)
+					os.Exit(1)
+				}
+				fmt.Printf("Tenant '%v' set as active!\n", getSrv["tenant"])
+			}
+		}
+		if cmd.Flags().Changed("database") {
+			err := setActiveDatabase(Database)
+			if err != nil {
+				fmt.Printf("%v\n", err)
+				os.Exit(1)
+			}
+			fmt.Printf("Database '%v' set as active!\n", Database)
+		} else if cmd.Flags().Changed("defaults") {
+			getSrv, err := getServer(alias)
+			if err != nil {
+				fmt.Printf("%v\n", err)
+				os.Exit(1)
+			}
+			if getSrv["database"] == nil {
+				getSrv["database"] = DefaultDatabase
+			}
+			if _, ok := getSrv["database"]; ok {
+				err := setActiveDatabase(getSrv["database"].(string))
+				if err != nil {
+					fmt.Printf("%v\n", err)
+					os.Exit(1)
+				}
+			}
+			fmt.Printf("Database '%v' set as active!\n", getSrv["database"])
+		}
+		fmt.Printf("Server '%v' set as active!\n", alias)
+	},
+}
+
 func init() {
 	AddCommand.Flags().StringVarP(&Host, "host", "H", "", "Chroma server host")
 	AddCommand.Flags().StringVarP(&Port, "port", "p", "", "Chroma server port")
@@ -260,4 +381,9 @@ func init() {
 	AddCommand.ValidArgs = []string{"alias"}
 	RmCommand.ValidArgs = []string{"alias"}
 	RmCommand.Flags().BoolVarP(&ForceDelete, "force", "f", false, "Force remove server without confirmation")
+	SwitchCommand.Flags().StringVarP(&Tenant, "tenant", "t", "", "Default tenant for the server")
+	SwitchCommand.Flags().StringVarP(&Database, "database", "d", "", "Default database for the server")
+	SwitchCommand.Flags().BoolVarP(&DBAndTenantDefaults, "defaults", "r", false, "Reset active tenant and database to defaults")
+	SwitchCommand.MarkFlagsMutuallyExclusive("tenant", "defaults")
+	SwitchCommand.MarkFlagsMutuallyExclusive("database", "defaults")
 }

docs/docs/index.md

@@ -25,3 +25,31 @@ Flags:
 ```bash
 chroma server add <server-alias> -h <host> -p <port> -o -s -t <tenant> -d <database>
 ```
+
+### Switch Server
+
+Arguments:
+
+- `server-alias` - Alias for the server
+
+Flags:
+
+- `-t` or `--tenant` - Changes the default tenant
+- `-d` or `--database` - Changes the default database
+- `-r` or `--defaults` - Uses the default tenant and database (this is mutually exclusive with `-t` and `-d` flags)
+
+```bash
+chroma switch <server-alias>
+```
+
+With shorthands:
+
+```bash
+chroma sw <server-alias> -t <tenant> -d <database>
+```
+
+With defaults:
+
+```bash
+chroma sw <server-alias> -r
+```