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Added contacts list & GUI examples

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Wizou 2021-12-16 14:41:43 +01:00
parent 9cc164b9ec
commit 8fe0c086bb
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33
EXAMPLES.md
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@ -191,6 +191,39 @@ for (int offset = 0; ;)
}
```
<a name="contacts"></a>
### Retrieve the current user's contacts list
There are two different methods. Here is the simpler one:
```csharp
using var client = new WTelegram.Client(Environment.GetEnvironmentVariable);
await client.LoginUserIfNeeded();
var contacts = await client.Contacts_GetContacts(0);
foreach (User contact in contacts.users.Values)
Console.WriteLine($"{contact} {contact.phone}");
```
<a name="takeout"></a>
The second method uses the more complex GDPR export, **takeout session** system.
Here is an example on how to implement it:
```csharp
using TL.Methods; // methods structures, for InvokeWithTakeout
using var client = new WTelegram.Client(Environment.GetEnvironmentVariable);
await client.LoginUserIfNeeded();
var takeout = await client.Account_InitTakeoutSession(contacts: true);
var finishTakeout = new Account_FinishTakeoutSession();
try
{
var savedContacts = await client.InvokeWithTakeout(takeout.id, new Contacts_GetSaved());
foreach (SavedPhoneContact contact in savedContacts)
Console.WriteLine($"{contact.first_name} {contact.last_name} {contact.phone}, added on {contact.date}");
finishTakeout.flags = Account_FinishTakeoutSession.Flags.success;
}
finally
{
await client.InvokeWithTakeout(takeout.id, finishTakeout);
}
```
<a name="updates"></a>
### Monitor all Telegram events happening for the user