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finish up the documentation page

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Signed-off-by: ngn <ngn@ngn.tf>
This commit is contained in:
ngn
2025-01-17 02:42:32 +03:00
parent e87764a4c2
commit 6f7263dd84
28 changed files with 1141 additions and 234 deletions
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32
api/routes/metrics.go
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@ -8,30 +8,25 @@ import (
"github.com/ngn13/website/api/util"
)
type visitor_cache_entry struct {
Addr string // SHA1 hash of visitor's IP
Number uint64 // number of the visitor
}
const VISITOR_CACHE_MAX = 30 // store 30 visitor data at most
var visitor_cache []visitor_cache_entry // in memory cache for the visitor
const VISITOR_CACHE_MAX = 30 // store 30 visitor data at most
var visitor_cache []string // in memory cache for the visitor addresses
func GET_Metrics(c *fiber.Ctx) error {
var (
err error
result map[string]uint64 = map[string]uint64{
"number": 0, // visitor number of the current visitor
"total": 0, // total number of visitors
"since": 0, // metric collection start date (UNIX timestamp)
"total": 0, // total number of visitors
"since": 0, // metric collection start date (UNIX timestamp)
}
)
db := c.Locals("database").(*database.Type)
new_addr := util.GetSHA1(util.IP(c))
is_in_cache := false
for i := range visitor_cache {
if new_addr == visitor_cache[i].Addr {
result["number"] = visitor_cache[i].Number
for _, cache := range visitor_cache {
if new_addr == cache {
is_in_cache = true
break
}
}
@ -40,19 +35,14 @@ func GET_Metrics(c *fiber.Ctx) error {
return util.ErrInternal(c, err)
}
if result["number"] == 0 {
result["total"]++
result["number"] = result["total"]
if !is_in_cache {
if len(visitor_cache) > VISITOR_CACHE_MAX {
util.Debg("visitor cache is full, removing the oldest entry")
visitor_cache = visitor_cache[1:]
}
visitor_cache = append(visitor_cache, visitor_cache_entry{
Addr: new_addr,
Number: result["number"],
})
visitor_cache = append(visitor_cache, new_addr)
result["total"]++
if err = db.MetricsSet("visitor_count", result["total"]); err != nil {
return util.ErrInternal(c, err)