progress_cache.go
| 1 | package service |
| 2 | |
| 3 | import ( |
| 4 | "strings" |
| 5 | "sync" |
| 6 | "time" |
| 7 | ) |
| 8 | |
| 9 | type LiveDownload struct { |
| 10 | Logs strings.Builder |
| 11 | LastUpdate time.Time |
| 12 | } |
| 13 | |
| 14 | type ProgressCache struct { |
| 15 | mu sync.RWMutex |
| 16 | data map[int64]*LiveDownload |
| 17 | } |
| 18 | |
| 19 | func NewProgressCache() *ProgressCache { |
| 20 | return &ProgressCache{ |
| 21 | data: make(map[int64]*LiveDownload), |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | func (c *ProgressCache) Set(id int64, d *LiveDownload) { |
| 26 | c.mu.Lock() |
| 27 | defer c.mu.Unlock() |
| 28 | c.data[id] = d |
| 29 | } |
| 30 | |
| 31 | func (c *ProgressCache) Get(id int64) (*LiveDownload, bool) { |
| 32 | c.mu.RLock() |
| 33 | defer c.mu.RUnlock() |
| 34 | d, ok := c.data[id] |
| 35 | return d, ok |
| 36 | } |
| 37 | |
| 38 | func (c *ProgressCache) AppendLog(id int64, line string) { |
| 39 | c.mu.Lock() |
| 40 | defer c.mu.Unlock() |
| 41 | if d, ok := c.data[id]; ok { |
| 42 | d.Logs.WriteString(line) |
| 43 | d.Logs.WriteByte('\n') |
| 44 | d.LastUpdate = time.Now() |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | func (c *ProgressCache) GetLogs(id int64) string { |
| 49 | c.mu.RLock() |
| 50 | defer c.mu.RUnlock() |
| 51 | if d, ok := c.data[id]; ok { |
| 52 | return d.Logs.String() |
| 53 | } |
| 54 | return "" |
| 55 | } |
| 56 | |
| 57 | func (c *ProgressCache) Delete(id int64) { |
| 58 | c.mu.Lock() |
| 59 | defer c.mu.Unlock() |
| 60 | delete(c.data, id) |
| 61 | } |
| 62 | |
| 63 | func (c *ProgressCache) FlushLogs(id int64) string { |
| 64 | c.mu.Lock() |
| 65 | defer c.mu.Unlock() |
| 66 | if d, ok := c.data[id]; ok { |
| 67 | logs := d.Logs.String() |
| 68 | return logs |
| 69 | } |
| 70 | return "" |
| 71 | } |
| 72 |