File size: 5,184 Bytes
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package diff
import (
"crypto/sha256"
"encoding/hex"
"fmt"
"sort"
"strings"
"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
)
// DiffOpenAICompatibility produces human-readable change descriptions.
func DiffOpenAICompatibility(oldList, newList []config.OpenAICompatibility) []string {
changes := make([]string, 0)
oldMap := make(map[string]config.OpenAICompatibility, len(oldList))
oldLabels := make(map[string]string, len(oldList))
for idx, entry := range oldList {
key, label := openAICompatKey(entry, idx)
oldMap[key] = entry
oldLabels[key] = label
}
newMap := make(map[string]config.OpenAICompatibility, len(newList))
newLabels := make(map[string]string, len(newList))
for idx, entry := range newList {
key, label := openAICompatKey(entry, idx)
newMap[key] = entry
newLabels[key] = label
}
keySet := make(map[string]struct{}, len(oldMap)+len(newMap))
for key := range oldMap {
keySet[key] = struct{}{}
}
for key := range newMap {
keySet[key] = struct{}{}
}
orderedKeys := make([]string, 0, len(keySet))
for key := range keySet {
orderedKeys = append(orderedKeys, key)
}
sort.Strings(orderedKeys)
for _, key := range orderedKeys {
oldEntry, oldOk := oldMap[key]
newEntry, newOk := newMap[key]
label := oldLabels[key]
if label == "" {
label = newLabels[key]
}
switch {
case !oldOk:
changes = append(changes, fmt.Sprintf("provider added: %s (api-keys=%d, models=%d)", label, countAPIKeys(newEntry), countOpenAIModels(newEntry.Models)))
case !newOk:
changes = append(changes, fmt.Sprintf("provider removed: %s (api-keys=%d, models=%d)", label, countAPIKeys(oldEntry), countOpenAIModels(oldEntry.Models)))
default:
if detail := describeOpenAICompatibilityUpdate(oldEntry, newEntry); detail != "" {
changes = append(changes, fmt.Sprintf("provider updated: %s %s", label, detail))
}
}
}
return changes
}
func describeOpenAICompatibilityUpdate(oldEntry, newEntry config.OpenAICompatibility) string {
oldKeyCount := countAPIKeys(oldEntry)
newKeyCount := countAPIKeys(newEntry)
oldModelCount := countOpenAIModels(oldEntry.Models)
newModelCount := countOpenAIModels(newEntry.Models)
details := make([]string, 0, 3)
if oldKeyCount != newKeyCount {
details = append(details, fmt.Sprintf("api-keys %d -> %d", oldKeyCount, newKeyCount))
}
if oldModelCount != newModelCount {
details = append(details, fmt.Sprintf("models %d -> %d", oldModelCount, newModelCount))
}
if !equalStringMap(oldEntry.Headers, newEntry.Headers) {
details = append(details, "headers updated")
}
if len(details) == 0 {
return ""
}
return "(" + strings.Join(details, ", ") + ")"
}
func countAPIKeys(entry config.OpenAICompatibility) int {
count := 0
for _, keyEntry := range entry.APIKeyEntries {
if strings.TrimSpace(keyEntry.APIKey) != "" {
count++
}
}
return count
}
func countOpenAIModels(models []config.OpenAICompatibilityModel) int {
count := 0
for _, model := range models {
name := strings.TrimSpace(model.Name)
alias := strings.TrimSpace(model.Alias)
if name == "" && alias == "" {
continue
}
count++
}
return count
}
func openAICompatKey(entry config.OpenAICompatibility, index int) (string, string) {
name := strings.TrimSpace(entry.Name)
if name != "" {
return "name:" + name, name
}
base := strings.TrimSpace(entry.BaseURL)
if base != "" {
return "base:" + base, base
}
for _, model := range entry.Models {
alias := strings.TrimSpace(model.Alias)
if alias == "" {
alias = strings.TrimSpace(model.Name)
}
if alias != "" {
return "alias:" + alias, alias
}
}
sig := openAICompatSignature(entry)
if sig == "" {
return fmt.Sprintf("index:%d", index), fmt.Sprintf("entry-%d", index+1)
}
short := sig
if len(short) > 8 {
short = short[:8]
}
return "sig:" + sig, "compat-" + short
}
func openAICompatSignature(entry config.OpenAICompatibility) string {
var parts []string
if v := strings.TrimSpace(entry.Name); v != "" {
parts = append(parts, "name="+strings.ToLower(v))
}
if v := strings.TrimSpace(entry.BaseURL); v != "" {
parts = append(parts, "base="+v)
}
models := make([]string, 0, len(entry.Models))
for _, model := range entry.Models {
name := strings.TrimSpace(model.Name)
alias := strings.TrimSpace(model.Alias)
if name == "" && alias == "" {
continue
}
models = append(models, strings.ToLower(name)+"|"+strings.ToLower(alias))
}
if len(models) > 0 {
sort.Strings(models)
parts = append(parts, "models="+strings.Join(models, ","))
}
if len(entry.Headers) > 0 {
keys := make([]string, 0, len(entry.Headers))
for k := range entry.Headers {
if trimmed := strings.TrimSpace(k); trimmed != "" {
keys = append(keys, strings.ToLower(trimmed))
}
}
if len(keys) > 0 {
sort.Strings(keys)
parts = append(parts, "headers="+strings.Join(keys, ","))
}
}
// Intentionally exclude API key material; only count non-empty entries.
if count := countAPIKeys(entry); count > 0 {
parts = append(parts, fmt.Sprintf("api_keys=%d", count))
}
if len(parts) == 0 {
return ""
}
sum := sha256.Sum256([]byte(strings.Join(parts, "|")))
return hex.EncodeToString(sum[:])
}
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