feta/database/storageconnector.go
sneak 06df947186
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major overhaul, including:
* builds with echo now instead of gin
* beginning of web UI
* factor out util functions
2020-03-30 16:05:53 -07:00

86 lines
2.0 KiB
Go

package database
import (
"fmt"
"html"
"strings"
"git.eeqj.de/sneak/feta/toot"
"github.com/google/uuid"
hstg "github.com/grokify/html-strip-tags-go"
_ "github.com/jinzhu/gorm/dialects/sqlite"
)
func (m *Manager) TootInsertHashCacheSize() uint {
m.cachelock.Lock()
defer m.cachelock.Unlock()
return uint(len(*m.recentlyInsertedTootHashCache))
}
func (m *Manager) TootExists(t *toot.Toot) bool {
var try StoredToot
// first, nuke cache if it gets too big to prevent
// unlimited memory usage
m.cachelock.Lock()
if len(*m.recentlyInsertedTootHashCache) > 1000000 {
emptycache := make(map[string]bool)
m.recentlyInsertedTootHashCache = &emptycache
}
m.cachelock.Unlock()
m.cachelock.Lock()
// check map
if _, ok := (*m.recentlyInsertedTootHashCache)[t.GetHash()]; ok {
m.cachelock.Unlock()
return true
}
m.cachelock.Unlock()
if m.db.Where("Hash = ?", t.GetHash()).First(&try).RecordNotFound() {
return false
} else {
return true
}
}
func (m *Manager) StoreToot(t *toot.Toot) error {
nt := new(StoredToot)
nt.UUID = uuid.New()
nt.ServerCreated = t.Parsed.CreatedAt
nt.Original = t.Original
// FIXME add better validation to the parsed stuff here
nt.Acct = fmt.Sprintf("%s@%s", t.Parsed.Account.Acct, strings.ToLower(t.FromHost))
nt.URL = t.Parsed.URL
nt.Content = []byte(t.Parsed.Content)
// FIXME replace tags with spaces, don't just strip them, otherwise text
// gets messed up.
nt.TextContent = []byte(html.UnescapeString(hstg.StripTags(t.Parsed.Content)))
nt.Hostname = strings.ToLower(t.FromHost)
nt.Hash = t.GetHash()
//TODO: detect hashtags and insert hashtag records
//TODO: detect URLs and insert URL records
r := m.db.Create(&nt)
// put it in the cache to avoid relying on db for dedupe:
m.cachelock.Lock()
(*m.recentlyInsertedTootHashCache)[nt.Hash] = true
m.cachelock.Unlock()
//panic(fmt.Sprintf("%+v", t))
return r.Error
}
func (m *Manager) StoreToots(tc []*toot.Toot) error {
for _, item := range tc {
err := m.StoreToot(item)
if err != nil {
return err
}
}
return nil
}