Testing Cobra

app/LICENSE

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+The MIT License (MIT)
+
+Copyright © 2018 Eiji Onchi <eiji@onchi.me>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

app/cmd/add.go

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+// Copyright © 2018 Eiji Onchi <eiji@onchi.me>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// addCmd represents the add command
+var addCmd = &cobra.Command{
+	Use:   "add [FILENAME/QUERY]",
+	Short: "Adds a new entry",
+	Long: `Add a new entry to scholar.
+
+You can TODO`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("add called")
+		fmt.Printf("with %v arguments\n", args)
+	},
+}
+
+var addDoi, addAttach string
+
+func init() {
+	rootCmd.AddCommand(addCmd)
+
+	addCmd.Flags().StringVarP(&addDoi, "doi", "d", "", "Specify the DOI to retrieve metadata")
+	addCmd.Flags().StringVar(&curentLibrary, "to", "", "specify library to use")
+	addCmd.Flags().StringVarP(&addAttach, "attach", "a", "", "attach a file to the entry")
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// addCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// addCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}

app/cmd/root.go

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+// Copyright © 2018 Eiji Onchi <eiji@onchi.me>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package cmd
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+
+	"github.com/cgxeiji/scholar"
+	homedir "github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var confFile, typesFile, curentLibrary string
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "scholar",
+	Short: "A CLI Reference Manager",
+	Long: `Scholar, a CLI Reference Manager
+
+Scholar is a CLI reference manager that keeps track of
+your documents based on biblatex.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	//	Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+	rootCmd.PersistentFlags().StringVar(&confFile, "config", "", "config file (default $HOME/.config/scholar/config.yaml)")
+	rootCmd.PersistentFlags().StringVar(&typesFile, "types", "", "entry types file (default $HOME/.config/scholar/types.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+var configDefault = []byte(`
+# General Settings
+GENERAL:
+# Set the default library.
+# Scholar will retrieve and save entries from this library.
+    default: scholar
+
+# Path locations for the libraries.
+# You can add as many libraries as you want.
+# You can name the library however you want.
+LIBRARIES:
+    scholar: ~/ScholarLibrary
+`)
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if confFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(confFile)
+	} else {
+		viper.SetConfigName("config")
+		viper.SetConfigType("yaml")
+		viper.AddConfigPath(".")
+		viper.AddConfigPath("$HOME/.config/scholar")
+	}
+
+	viper.AutomaticEnv() // read in environment variables that match
+
+	// If a config file is found, read it in.
+	if err := viper.ReadInConfig(); err != nil {
+		fmt.Println(err)
+		fmt.Println("Using default values")
+		viper.ReadConfig(bytes.NewBuffer(configDefault))
+	}
+
+	dl := viper.Sub("LIBRARIES").GetString(
+		viper.GetString("GENERAL.default"))
+
+	dlex, err := homedir.Expand(dl)
+	if err != nil {
+		panic(err)
+	}
+
+	viper.Set("deflib", dlex)
+
+	// TODO: delete this
+	fmt.Println(viper.GetString("deflib"))
+
+	et := viper.New()
+	et.SetConfigName("types")
+	et.SetConfigType("yaml")
+	et.AddConfigPath(".")
+	et.AddConfigPath("$HOME/.config/scholar")
+
+	err = et.ReadInConfig()
+	if err != nil {
+		fmt.Println(err)
+		fmt.Println("Please, set an entry types file at any of those locations.")
+		panic("no types.yaml found")
+	}
+
+	// TODO: delete this
+	fmt.Println(et.ConfigFileUsed())
+	err = scholar.LoadTypes(et.ConfigFileUsed())
+	if err != nil {
+		panic(err)
+	}
+}