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repo.go
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repo.go
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package server
import (
"context"
"encoding/json"
"errors"
"strconv"
"time"
"github.com/teknologi-umum/captcha/analytics"
"github.com/teknologi-umum/captcha/dukun"
"github.com/allegro/bigcache/v3"
)
// GetAll fetch the users' data either it's from the in memory cache
// or from the database (if the data does not exist on the memory cache).
func (d *Dependency) GetAll(ctx context.Context) ([]byte, error) {
// check from in memory cache first for the data
data, err := d.Memory.Get("analytics:analytics")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return []byte{}, err
}
if len(data) > 0 {
return data, nil
}
// if not in memory cache, then check from the database
users, err := (&analytics.Dependency{DB: d.DB}).GetUserDataFromDB(ctx)
if err != nil {
return []byte{}, err
}
// convert the struct to json first
data, err = json.Marshal(users)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:analytics", data)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:last_updated:users", []byte(time.Now().Format(time.RFC3339)))
if err != nil {
return []byte{}, err
}
return data, nil
}
// GetTotal returns the total amount of chat as the data have it.
// The data is fetched from the memory cache or the database,
// if the memory cache data is empty or non-existent.
func (d *Dependency) GetTotal(ctx context.Context) ([]byte, error) {
// get the total from the cache first
total, err := d.Memory.Get("analytics:total")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return []byte{}, err
}
if len(total) > 0 {
return total, nil
}
// if not in memory cache, then check from the database
data, err := (&analytics.Dependency{DB: d.DB}).GetUserDataFromDB(ctx)
if err != nil {
return []byte{}, err
}
var tempTotal int
for _, user := range data {
tempTotal += user.Counter
}
total = []byte(strconv.Itoa(tempTotal))
err = d.Memory.Set("analytics:total", total)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:last_updated:total", []byte(time.Now().Format(time.RFC3339)))
if err != nil {
return []byte{}, err
}
return total, nil
}
// GetHourly returns hourly message count, specified in a daily kind of object.
// The data is fetched from the memory cache or the database,
// if the memory cache data is empty or non-existent.
func (d *Dependency) GetHourly(ctx context.Context) ([]byte, error) {
// get the hourly from the cache first
hourly, err := d.Memory.Get("analytics:hourly")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return []byte{}, err
}
if len(hourly) > 0 {
return hourly, nil
}
// if not in memory cache, then check from the database
data, err := (&analytics.Dependency{DB: d.DB}).GetHourlyDataFromDB(ctx)
if err != nil {
return []byte{}, err
}
hourly, err = json.Marshal(data)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:hourly", hourly)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:last_updated:hourly", []byte(time.Now().Format(time.RFC3339)))
if err != nil {
return []byte{}, err
}
return hourly, nil
}
// LastUpdated returns the last updated value as a time.Time object
// for cached data.
func (d *Dependency) LastUpdated(r Endpoint) (time.Time, error) {
switch r {
case UserEndpoint:
data, err := d.Memory.Get("analytics:last_updated:users")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return time.Time{}, err
}
if len(data) > 0 {
return time.Parse(time.RFC3339, string(data))
}
return time.Time{}, nil
case TotalEndpoint:
data, err := d.Memory.Get("analytics:last_updated:total")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return time.Time{}, err
}
if len(data) > 0 {
return time.Parse(time.RFC3339, string(data))
}
return time.Time{}, nil
case HourlyEndpoint:
data, err := d.Memory.Get("analytics:last_updated:hourly")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return time.Time{}, err
}
if len(data) > 0 {
return time.Parse(time.RFC3339, string(data))
}
return time.Time{}, nil
case DukunEndpoint:
data, err := d.Memory.Get("analytics:last_updated:dukun")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return time.Time{}, err
}
if len(data) > 0 {
return time.Parse(time.RFC3339, string(data))
}
return time.Time{}, nil
default:
return time.Time{}, ErrInvalidValue
}
}
func (d *Dependency) GetDukunPoints(ctx context.Context) ([]byte, error) {
// get the dukun points from the cache first
dukunPoints, err := d.Memory.Get("analytics:dukun")
if err != nil && !errors.Is(err, bigcache.ErrEntryNotFound) {
return []byte{}, err
}
if len(dukunPoints) > 0 {
return dukunPoints, nil
}
// if not in memory cache, then check from the database
data, err := (&dukun.Dependency{DBName: d.MongoDBName, Mongo: d.Mongo}).GetAllDukun(ctx)
if err != nil {
return []byte{}, err
}
dukunPoints, err = json.Marshal(data)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:dukun", dukunPoints)
if err != nil {
return []byte{}, err
}
err = d.Memory.Set("analytics:last_updated:dukun", []byte(time.Now().Format(time.RFC3339)))
if err != nil {
return []byte{}, err
}
return dukunPoints, nil
}