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json-cleanup.go
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json-cleanup.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"os"
"strings"
)
// Generates incremental ID in the format {genre}{number}, e.g., "tech001"
func generateIDs(resources *Resources) {
// Track the genre counters
genreCounters := make(map[string]int)
for i, resource := range resources.List {
genre := strings.ToLower(resource.Genre)
genreCounters[genre]++ // Increment the counter for the genre
// Format the ID as {genre}{001, 002, 003, ...}
newID := fmt.Sprintf("%s%03d", genre, genreCounters[genre])
resources.List[i].ID = newID
}
}
// Read the JSON file
func updateIds() {
file, err := os.Open("resources.json")
if err != nil {
log.Fatalf("Error opening file: %v", err)
}
defer file.Close()
// Read file contents
byteValue, err := ioutil.ReadAll(file)
if err != nil {
log.Fatalf("Error reading file: %v", err)
}
// Unmarshal JSON data into Resources struct
var resources Resources
err = json.Unmarshal(byteValue, &resources)
if err != nil {
log.Fatalf("Error parsing JSON: %v", err)
}
// Generate IDs for resources
generateIDs(&resources)
// Marshal updated resources back to JSON
updatedData, err := json.MarshalIndent(resources, "", " ")
if err != nil {
log.Fatalf("Error marshalling JSON: %v", err)
}
// Write the updated JSON to a file
err = ioutil.WriteFile("resources_updated.json", updatedData, 0644)
if err != nil {
log.Fatalf("Error writing to file: %v", err)
}
// Print confirmation message
fmt.Println("Updated resources.json successfully written to resources_updated.json")
}