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Program.cs
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Program.cs
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// Copyright(c) 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
using CommandLine;
using Google.Cloud.Firestore;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
namespace GoogleCloudSamples
{
public class Quickstart
{
public static string Usage = @"Usage:
C:\> dotnet run command YOUR_PROJECT_ID
Where command is one of
initialize-project-id
add-data-1
add-data-2
retrieve-all-documents
";
private static void InitializeProjectId(string project)
{
// [START fs_initialize_project_id]
FirestoreDb db = FirestoreDb.Create(project);
Console.WriteLine("Created Cloud Firestore client with project ID: {0}", project);
// [END fs_initialize_project_id]
}
private static async Task AddData1(string project)
{
FirestoreDb db = FirestoreDb.Create(project);
// [START fs_add_data_1]
DocumentReference docRef = db.Collection("users").Document("alovelace");
Dictionary<string, object> user = new Dictionary<string, object>
{
{ "First", "Ada" },
{ "Last", "Lovelace" },
{ "Born", 1815 }
};
await docRef.SetAsync(user);
// [END fs_add_data_1]
Console.WriteLine("Added data to the alovelace document in the users collection.");
}
private static async Task AddData2(string project)
{
FirestoreDb db = FirestoreDb.Create(project);
// [START fs_add_data_2]
DocumentReference docRef = db.Collection("users").Document("aturing");
Dictionary<string, object> user = new Dictionary<string, object>
{
{ "First", "Alan" },
{ "Middle", "Mathison" },
{ "Last", "Turing" },
{ "Born", 1912 }
};
await docRef.SetAsync(user);
// [END fs_add_data_2]
Console.WriteLine("Added data to the aturing document in the users collection.");
}
private static async Task RetrieveAllDocuments(string project)
{
FirestoreDb db = FirestoreDb.Create(project);
// [START fs_get_all]
CollectionReference usersRef = db.Collection("users");
QuerySnapshot snapshot = await usersRef.GetSnapshotAsync();
foreach (DocumentSnapshot document in snapshot.Documents)
{
Console.WriteLine("User: {0}", document.Id);
Dictionary<string, object> documentDictionary = document.ToDictionary();
Console.WriteLine("First: {0}", documentDictionary["First"]);
if (documentDictionary.ContainsKey("Middle"))
{
Console.WriteLine("Middle: {0}", documentDictionary["Middle"]);
}
Console.WriteLine("Last: {0}", documentDictionary["Last"]);
Console.WriteLine("Born: {0}", documentDictionary["Born"]);
Console.WriteLine();
}
// [END fs_get_all]
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
Console.Write(Usage);
return;
}
string command = args[0].ToLower();
string project = string.Join(" ",
new ArraySegment<string>(args, 1, args.Length - 1));
switch (command)
{
case "initialize-project-id":
InitializeProjectId(project);
break;
case "add-data-1":
AddData1(project).Wait();
break;
case "add-data-2":
AddData2(project).Wait();
break;
case "retrieve-all-documents":
RetrieveAllDocuments(project).Wait();
break;
default:
Console.Write(Usage);
return;
}
}
}
}