opencode/packages/tui/internal/config/config.go
2025-07-02 16:08:11 -05:00

96 lines
2.8 KiB
Go

package config
import (
"bufio"
"fmt"
"log/slog"
"os"
"time"
"github.com/BurntSushi/toml"
)
type ModelUsage struct {
ProviderID string `toml:"provider_id"`
ModelID string `toml:"model_id"`
LastUsed time.Time `toml:"last_used"`
}
type State struct {
Theme string `toml:"theme"`
Provider string `toml:"provider"`
Model string `toml:"model"`
RecentlyUsedModels []ModelUsage `toml:"recently_used_models"`
MessagesRight bool `toml:"messages_right"`
SplitDiff bool `toml:"split_diff"`
}
func NewState() *State {
return &State{
Theme: "opencode",
RecentlyUsedModels: make([]ModelUsage, 0),
}
}
// UpdateModelUsage updates the recently used models list with the specified model
func (s *State) UpdateModelUsage(providerID, modelID string) {
now := time.Now()
// Check if this model is already in the list
for i, usage := range s.RecentlyUsedModels {
if usage.ProviderID == providerID && usage.ModelID == modelID {
s.RecentlyUsedModels[i].LastUsed = now
usage := s.RecentlyUsedModels[i]
copy(s.RecentlyUsedModels[1:i+1], s.RecentlyUsedModels[0:i])
s.RecentlyUsedModels[0] = usage
return
}
}
newUsage := ModelUsage{
ProviderID: providerID,
ModelID: modelID,
LastUsed: now,
}
// Prepend to slice and limit to last 50 entries
s.RecentlyUsedModels = append([]ModelUsage{newUsage}, s.RecentlyUsedModels...)
if len(s.RecentlyUsedModels) > 50 {
s.RecentlyUsedModels = s.RecentlyUsedModels[:50]
}
}
// SaveState writes the provided Config struct to the specified TOML file.
// It will create the file if it doesn't exist, or overwrite it if it does.
func SaveState(filePath string, state *State) error {
file, err := os.Create(filePath)
if err != nil {
return fmt.Errorf("failed to create/open config file %s: %w", filePath, err)
}
defer file.Close()
writer := bufio.NewWriter(file)
encoder := toml.NewEncoder(writer)
if err := encoder.Encode(state); err != nil {
return fmt.Errorf("failed to encode state to TOML file %s: %w", filePath, err)
}
if err := writer.Flush(); err != nil {
return fmt.Errorf("failed to flush writer for state file %s: %w", filePath, err)
}
slog.Debug("State saved to file", "file", filePath)
return nil
}
// LoadState loads the state from the specified TOML file.
// It returns a pointer to the State struct and an error if any issues occur.
func LoadState(filePath string) (*State, error) {
var state State
if _, err := toml.DecodeFile(filePath, &state); err != nil {
if _, statErr := os.Stat(filePath); os.IsNotExist(statErr) {
return nil, fmt.Errorf("state file not found at %s: %w", filePath, statErr)
}
return nil, fmt.Errorf("failed to decode TOML from file %s: %w", filePath, err)
}
return &state, nil
}