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apply cache headers to some most used routes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package profile_cache | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/rs/xid" | ||
|
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| "github.com/Southclaws/storyden/app/resources/cachecontrol" | ||
| "github.com/Southclaws/storyden/internal/ent" | ||
| "github.com/Southclaws/storyden/internal/ent/account" | ||
| "github.com/Southclaws/storyden/internal/ent/post" | ||
| ) | ||
|
|
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| type Cache struct { | ||
| db *ent.Client | ||
| } | ||
|
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| func New(db *ent.Client) *Cache { | ||
| return &Cache{ | ||
| db: db, | ||
| } | ||
| } | ||
|
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| func (c *Cache) IsNotModified(ctx context.Context, cq cachecontrol.Query, id xid.ID) bool { | ||
| r, err := c.db.Account.Query().Select(post.FieldUpdatedAt).Where(account.ID(id)).Only(ctx) | ||
| if err != nil { | ||
| return false | ||
| } | ||
|
|
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| notModified := cq.NotModified(r.UpdatedAt) | ||
|
|
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| return notModified | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package reqinfo | ||
|
|
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "time" | ||
|
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| "github.com/mileusna/useragent" | ||
|
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| "github.com/Southclaws/opt" | ||
| "github.com/Southclaws/storyden/app/resources/cachecontrol" | ||
| ) | ||
|
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| type Info struct { | ||
| UserAgent useragent.UserAgent | ||
| CacheQuery cachecontrol.Query | ||
| } | ||
|
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| type infoKey struct{} | ||
|
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| func WithRequestInfo(ctx context.Context, r *http.Request) context.Context { | ||
| ua := useragent.Parse(r.Header.Get("User-Agent")) | ||
|
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| ifNoneMatch := opt.NewIf(r.Header.Get("If-None-Match"), notEmpty) | ||
|
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| ifModifiedSince, err := opt.MapErr( | ||
| opt.NewIf(r.Header.Get("If-Modified-Since"), notEmpty), | ||
| parseConditionalRequestTime, | ||
| ) | ||
| if err != nil { | ||
| ifModifiedSince = opt.NewEmpty[time.Time]() | ||
| } | ||
|
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| info := Info{ | ||
| UserAgent: ua, | ||
| CacheQuery: cachecontrol.NewQuery(ifNoneMatch, ifModifiedSince), | ||
| } | ||
|
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| return context.WithValue(ctx, infoKey{}, info) | ||
| } | ||
|
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| func GetDeviceName(ctx context.Context) string { | ||
| v := ctx.Value(infoKey{}) | ||
| i, ok := v.(Info) | ||
| if !ok { | ||
| return "Unknown" | ||
| } | ||
|
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| ua := i.UserAgent | ||
|
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| return fmt.Sprintf("%s (%s)", ua.Name, ua.OS) | ||
| } | ||
|
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| func GetCacheQuery(ctx context.Context) cachecontrol.Query { | ||
| v := ctx.Value(infoKey{}) | ||
| i, ok := v.(Info) | ||
| if !ok { | ||
| return cachecontrol.Query{} | ||
| } | ||
|
|
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| return i.CacheQuery | ||
| } | ||
|
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| func notEmpty(s string) bool { | ||
| return s != "" | ||
| } | ||
|
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| func parseConditionalRequestTime(in string) (time.Time, error) { | ||
| return time.Parse(time.RFC1123, in) | ||
| } |
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