Check multiple numbers only once in the database

src/whatsapp/repository/contact.repository.ts

@@ -11,6 +11,11 @@ export class ContactQuery {
   where: ContactRaw;
 }
 
+export class ContactQueryMany {
+  owner: ContactRaw['owner'];
+  ids: ContactRaw['id'][];
+}
+
 export class ContactRepository extends Repository {
   constructor(private readonly contactModel: IContactModel, private readonly configService: ConfigService) {
     super(configService);
@@ -169,4 +174,54 @@ export class ContactRepository extends Repository {
       return [];
     }
   }
+
+  public async findManyById(query: ContactQueryMany): Promise<ContactRaw[]> {
+    try {
+      this.logger.verbose('finding contacts');
+      if (this.dbSettings.ENABLED) {
+        this.logger.verbose('finding contacts in db');
+        return await this.contactModel.find({
+          owner: query.owner,
+          id: { $in: query.ids },
+        });
+      }
+
+      this.logger.verbose('finding contacts in store');
+      const contacts: ContactRaw[] = [];
+      if (query.ids.length > 0) {
+        this.logger.verbose('finding contacts in store by id');
+        query.ids.forEach((id) => {
+          contacts.push(
+            JSON.parse(
+              readFileSync(join(this.storePath, 'contacts', query.owner, id + '.json'), {
+                encoding: 'utf-8',
+              }),
+            ),
+          );
+        });
+      } else {
+        this.logger.verbose('finding contacts in store by owner');
+
+        const openDir = opendirSync(join(this.storePath, 'contacts', query.owner), {
+          encoding: 'utf-8',
+        });
+        for await (const dirent of openDir) {
+          if (dirent.isFile()) {
+            contacts.push(
+              JSON.parse(
+                readFileSync(join(this.storePath, 'contacts', query.owner, dirent.name), {
+                  encoding: 'utf-8',
+                }),
+              ),
+            );
+          }
+        }
+      }
+
+      this.logger.verbose('contacts found in store: ' + contacts.length + ' contacts');
+      return contacts;
+    } catch (error) {
+      return [];
+    }
+  }
 }

src/whatsapp/services/whatsapp.service.ts

@@ -3312,6 +3312,10 @@ export class WAStartupService {
     onWhatsapp.push(...groups);
 
     // USERS
+    const contacts: ContactRaw[] = await this.repository.contact.findManyById({
+      owner: this.instance.name,
+      ids: jids.users.map(({ jid }) => (jid.startsWith('+') ? jid.substring(1) : jid)),
+    });
     const verify = await this.client.onWhatsApp(
       ...jids.users.map(({ jid }) => (!jid.startsWith('+') ? `+${jid}` : jid)),
     );
@@ -3321,18 +3325,6 @@ export class WAStartupService {
         const isBrWithDigit = user.jid.startsWith('55') && user.jid.slice(4, 5) === '9' && user.jid.length === 28;
         const jid = isBrWithDigit ? user.jid.slice(0, 4) + user.jid.slice(5) : user.jid;
 
-        const query: ContactQuery = {
-          where: {
-            owner: this.instance.name,
-            id: user.jid.startsWith('+') ? user.jid.substring(1) : user.jid,
-          },
-        };
-        const contacts: ContactRaw[] = await this.repository.contact.find(query);
-        let firstContactFound;
-        if (contacts.length > 0) {
-          firstContactFound = contacts[0].pushName;
-        }
-
         const numberVerified = verify.find((v) => {
           const mainJidSimilarity = levenshtein.get(user.jid, v.jid) / Math.max(user.jid.length, v.jid.length);
           const jidSimilarity = levenshtein.get(jid, v.jid) / Math.max(jid.length, v.jid.length);
@@ -3341,7 +3333,7 @@ export class WAStartupService {
         return {
           exists: !!numberVerified?.exists,
           jid: numberVerified?.jid || user.jid,
-          name: firstContactFound,
+          name: contacts.find((c) => c.id === jid)?.pushName,
           number: user.number,
         };
       }),