Merge pull request #26 from 2222-42/feat/issue-#25

feat: Implement interactive prompting for `add-bib`, `add-review`, and `update-review` commands.

Author: 2222-42

.gitignore

@@ -31,4 +31,4 @@ go.work.sum
 # .idea/
 # .vscode/
 .go-version
-biblog
+/biblog

README.md

@@ -27,6 +27,11 @@ The system is built using Go and follows Domain-Driven Design (DDD) principles.
 
 The system provides a CLI for managing bibliographies and classifications.
 
+### Interactive Mode
+
+Commands `add-bib`, `add-review`, and `update-review` support interactive mode. If you omit the required flags, the CLI will prompt you for input.
+
+
 ### 1. Add a Classification
 
 Before adding a bibliography, you must ensure the classification exists.
@@ -217,6 +222,8 @@ go test ./internal/...
 The data is stored in CSV files in the `data/` directory:
 - `data/bibliographies.csv`: Stores bibliography entries.
 - `data/classifications.csv`: Stores classification codes.
+- `data/reviews.csv`: Stores reviews for bibliographies.
+
 
 ## Performance Limitations
 

cmd/biblog/interactive.go

@@ -0,0 +1,105 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"strconv"
+	"strings"
+	"sync"
+)
+
+var (
+	reader     *bufio.Reader
+	readerOnce sync.Once
+)
+
+func getReader() *bufio.Reader {
+	readerOnce.Do(func() {
+		reader = bufio.NewReader(os.Stdin)
+	})
+	return reader
+}
+
+// promptString prompts the user for a string input.
+// If required is true, it loops until a non-empty string is provided.
+func promptString(label string, required bool) string {
+	r := getReader()
+	for {
+		if required {
+			fmt.Printf("%s (*required): ", label)
+		} else {
+			fmt.Printf("%s (optional): ", label)
+		}
+		input, err := r.ReadString('\n')
+		if err != nil {
+			if err == io.EOF {
+				// If we got some input before EOF, use it
+				if strings.TrimSpace(input) != "" {
+					fmt.Println() // Add newline for cleaner output
+					return strings.TrimSpace(input)
+				}
+				// If EOF with no input and optional, return empty
+				if !required {
+					return ""
+				}
+				// If EOF with no input and required, exit with error
+				fmt.Printf("\nError: required input for '%s' not provided before EOF\n", label)
+				os.Exit(1)
+			}
+			fmt.Printf("\nError reading input: %v\n", err)
+			os.Exit(1)
+		}
+		input = strings.TrimSpace(input)
+		if input != "" {
+			return input
+		}
+		if !required {
+			return ""
+		}
+	}
+}
+
+// promptInt prompts the user for an integer input.
+// If required is true, it loops until a valid integer is provided.
+// If not required and input is empty, it returns 0.
+func promptInt(label string, required bool) int {
+	r := getReader()
+	for {
+		if required {
+			fmt.Printf("%s (*required): ", label)
+		} else {
+			fmt.Printf("%s (optional): ", label)
+		}
+		input, err := r.ReadString('\n')
+		if err != nil {
+			if err == io.EOF {
+				if strings.TrimSpace(input) != "" {
+					fmt.Println()
+					val, convErr := strconv.Atoi(strings.TrimSpace(input))
+					if convErr == nil {
+						return val
+					}
+				}
+				if !required {
+					return 0
+				}
+				// If required and EOF with no valid input, exit with error
+				fmt.Printf("\nError: required integer input for '%s' but reached end of input.\n", label)
+				os.Exit(1)
+			}
+			fmt.Printf("\nError reading input: %v\n", err)
+			os.Exit(1)
+		}
+		input = strings.TrimSpace(input)
+		if input == "" && !required {
+			return 0
+		}
+		val, err := strconv.Atoi(input)
+		if err == nil {
+			return val
+		}
+		fmt.Println("Invalid number, please try again.")
+	}
+}

cmd/biblog/main.go

@@ -71,9 +71,30 @@ func main() {
 	case "add-bib":
 		_ = addBibCmd.Parse(os.Args[2:])
 		if *addBibTitle == "" || *addBibAuthor == "" || *addBibType == "" || *addBibClass == 0 || *addBibYear == 0 {
-			fmt.Println("Please provide required fields: -title, -author, -type, -class, -year")
-			addBibCmd.PrintDefaults()
-			os.Exit(1)
+			if *addBibTitle == "" {
+				*addBibTitle = promptString("Title", true)
+			}
+			if *addBibAuthor == "" {
+				*addBibAuthor = promptString("Author", true)
+			}
+			if *addBibPublisher == "" {
+				*addBibPublisher = promptString("Publisher", false)
+			}
+			if *addBibType == "" {
+				*addBibType = promptString("Type", true)
+			}
+			if *addBibClass == 0 {
+				*addBibClass = promptInt("Classification Code Number", true)
+			}
+			if *addBibYear == 0 {
+				*addBibYear = promptInt("Published Year", true)
+			}
+			if *addBibISBN == "" {
+				*addBibISBN = promptString("ISBN", false)
+			}
+			if *addBibIndex == "" {
+				*addBibIndex = promptString("BibIndex", false)
+			}
 		}
 		// Construct date from year
 		publishedDate := time.Date(*addBibYear, 1, 1, 0, 0, 0, 0, time.UTC)
@@ -88,9 +109,15 @@ func main() {
 	case "add-review":
 		_ = addReviewCmd.Parse(os.Args[2:])
 		if *addReviewBibIndex == "" || *addReviewGoals == "" {
-			fmt.Println("Please provide required fields: -bib-index, -goals")
-			addReviewCmd.PrintDefaults()
-			os.Exit(1)
+			if *addReviewBibIndex == "" {
+				*addReviewBibIndex = promptString("BibIndex", true)
+			}
+			if *addReviewGoals == "" {
+				*addReviewGoals = promptString("Goals", true)
+			}
+			if *addReviewSummary == "" {
+				*addReviewSummary = promptString("Summary", false)
+			}
 		}
 
 		// Resolve BibIndex to ID efficiently
@@ -114,9 +141,16 @@ func main() {
 	case "update-review":
 		_ = updateReviewCmd.Parse(os.Args[2:])
 		if *updateReviewID == "" {
-			fmt.Println("Please provide required field: -review-id")
-			updateReviewCmd.PrintDefaults()
-			os.Exit(1)
+			*updateReviewID = promptString("Review UUID", true)
+		}
+		if *updateReviewGoals == "" && *updateReviewSummary == "" {
+			// If neither is provided via flags, prompt for them
+			if *updateReviewGoals == "" {
+				*updateReviewGoals = promptString("New goals", false)
+			}
+			if *updateReviewSummary == "" {
+				*updateReviewSummary = promptString("New summary", false)
+			}
 		}
 
 		// Parse UUID
@@ -136,10 +170,10 @@ func main() {
 			summary = updateReviewSummary
 		}
 
-		// Validate at least one field is provided
+		// Validate at least one field is provided (after prompting)
 		if goals == nil && summary == nil {
 			fmt.Println("Please provide at least one field to update: -goals or -summary")
-			updateReviewCmd.PrintDefaults()
+			// If interactive mode was used, they might have skipped both optional fields
 			os.Exit(1)
 		}
 

data/bibliographies.csv

@@ -1,4 +1,3 @@
 ID,BibIndex,Code,Type,Title,Author,Publisher,ISBN,PublishedDate
-f792718c-c789-48b8-8d89-0d8650d4fe35,B56EE03DDD,B56,Book,Domain Driven Design,Eric Evans,Addison-Wesley,978-0321125217,2003-01-01T00:00:00Z
 d52ee692-f8ee-49fb-ad30-4e3da68059a8,B16MS24MM,B16,Book,マネジメント神話　現代ビジネス哲学の真実に迫る,マシュー スチュワート(稲岡大志訳),,978-4750356884,2024-01-01T00:00:00Z
-f2978362-43da-4465-862e-a638a3c0598e,B56TA24TB,B56,Book,Test Book,Test Author,Test Publisher,,2024-01-01T00:00:00Z
+b91f1280-2a4c-4707-be97-0bffac6db35b,B56SK24DMD,B56,Book,データモデリングでドメインを駆動する,杉本啓,技術評論社,,2024-01-01T00:00:00Z

data/reviews.csv

@@ -1,2 +1,3 @@
 ID,BookID,Goals,Summary,CreatedAt,UpdatedAt
 2d8a26ef-64e4-4718-b913-085fef527d71,d52ee692-f8ee-49fb-ad30-4e3da68059a8,現代ビジネスの哲学・思想を知ることで、自分の仕事と哲学の折り合いを見つける,80年代〜90年代の米国コンサルティングの筆者の体験と、4人のマネジメント思想家の話を織り交ぜ、哲学としてのマネジメント教育の可能性を広げようとしつつ、そのことに対してメタ批判をしている。また、筆者のその後のアメリカ歴史研究を踏まえると、マネジメントに意味がないという主張よりかは、マネジメントに意味をもたせるアメリカとその歴史に注目してそうである。【更新後のサマリー】,2025-11-22T19:52:17+09:00,2025-11-23T04:48:04+09:00
+c80b53e4-6036-401b-8104-f632896f7c73,b91f1280-2a4c-4707-be97-0bffac6db35b,Domain Modelingについて学ぶ。設計について学ぶ。ドメインを駆動する力を得る。これらについて教える力を得る。世界を記述する方法を学ぶ。デザインの背後にある思考の言語化。,残をどうモデリングするか、というのが重要。分散・非同期・疎結合なシステムを作ることにより、弾性があり、かつ、可変性のあるもの、つまり、ビジネスの変化に対応し、必要な役割を果たすことができるようにする。,2025-11-23T07:49:03+09:00,2025-11-23T07:51:21+09:00