Googleカレンダーと連携

.gitignore

@@ -19,6 +19,8 @@ pom.xml.releaseBackup
 # Spring Boot
 *.log
 .env
+credentials.json
+tokens/
 
 # H2 local DB
 data/

pom.xml

@@ -81,6 +81,24 @@
             <artifactId>spring-security-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <!-- Google API Client (1.x系に固定) -->
+        <dependency>
+            <groupId>com.google.api-client</groupId>
+            <artifactId>google-api-client</artifactId>
+            <version>1.34.1</version>
+        </dependency>
+        <!-- OAuth -->
+        <dependency>
+            <groupId>com.google.oauth-client</groupId>
+            <artifactId>google-oauth-client-jetty</artifactId>
+            <version>1.34.1</version>
+        </dependency>
+        <!-- Calendar API -->
+        <dependency>
+            <groupId>com.google.apis</groupId>
+            <artifactId>google-api-services-calendar</artifactId>
+            <version>v3-rev20220715-2.0.0</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/com/example/routineapp/config/GoogleCalendarConfig.java

@@ -0,0 +1,69 @@
+package com.example.routineapp.config;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.security.GeneralSecurityException;
+import java.util.Collections;
+import java.util.List;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.google.api.client.auth.oauth2.Credential;
+import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
+import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
+import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
+import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
+import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
+import com.google.api.client.http.javanet.NetHttpTransport;
+import com.google.api.client.json.JsonFactory;
+import com.google.api.client.json.gson.GsonFactory;
+import com.google.api.client.util.store.FileDataStoreFactory;
+import com.google.api.services.calendar.Calendar;
+import com.google.api.services.calendar.CalendarScopes;
+
+@Configuration
+public class GoogleCalendarConfig {
+
+    private static final String APPLICATION_NAME = "Google Calendar API";
+    private static final JsonFactory JSON_FACTORY = GsonFactory.getDefaultInstance();
+    private static final String TOKENS_DIRECTORY_PATH = "tokens";
+    private static final List<String> SCOPES =
+            Collections.singletonList(CalendarScopes.CALENDAR_READONLY);
+    private static final String CREDENTIALS_FILE_PATH = "/credentials.json";
+
+    @Bean
+    public Calendar googleCalendar() throws IOException, GeneralSecurityException {
+        NetHttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
+        Credential credential = getCredentials(httpTransport);
+
+        return new Calendar.Builder(httpTransport, JSON_FACTORY, credential)
+                .setApplicationName(APPLICATION_NAME)
+                .build();
+    }
+
+    private Credential getCredentials(NetHttpTransport httpTransport) throws IOException {
+        InputStream in = getClass().getResourceAsStream(CREDENTIALS_FILE_PATH);
+        if (in == null) {
+            throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
+        }
+
+        GoogleClientSecrets clientSecrets =
+                GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));
+
+        GoogleAuthorizationCodeFlow flow =
+                new GoogleAuthorizationCodeFlow.Builder(
+                        httpTransport, JSON_FACTORY, clientSecrets, SCOPES)
+                        .setDataStoreFactory(
+                                new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
+                        .setAccessType("offline")
+                        .build();
+
+        LocalServerReceiver receiver =
+                new LocalServerReceiver.Builder().setPort(8888).build();
+
+        return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
+    }
+}

src/main/java/com/example/routineapp/controller/CalendarController.java

@@ -0,0 +1,25 @@
+package com.example.routineapp.controller;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.example.routineapp.service.GoogleCalendarService;
+import com.google.api.services.calendar.model.Event;
+
+@RestController
+public class CalendarController {
+
+    private final GoogleCalendarService calendarService;
+
+    public CalendarController(GoogleCalendarService calendarService) {
+        this.calendarService = calendarService;
+    }
+
+    @GetMapping("/calendar/events")
+    public List<Event> getEvents() throws IOException {
+        return calendarService.getUpcomingEvents(10);
+    }
+}

src/main/java/com/example/routineapp/service/GoogleCalendarService.java

@@ -0,0 +1,35 @@
+package com.example.routineapp.service;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.google.api.client.util.DateTime;
+import com.google.api.services.calendar.Calendar;
+import com.google.api.services.calendar.model.Event;
+import com.google.api.services.calendar.model.Events;
+
+@Service
+public class GoogleCalendarService {
+
+    private final Calendar calendar;
+
+    public GoogleCalendarService(Calendar calendar) {
+        this.calendar = calendar;
+    }
+
+    public List<Event> getUpcomingEvents(int maxResults) throws IOException {
+        DateTime now = new DateTime(System.currentTimeMillis());
+
+        Events events = calendar.events()
+                .list("primary")
+                .setTimeMin(now)
+                .setMaxResults(maxResults)
+                .setOrderBy("startTime")
+                .setSingleEvents(true)
+                .execute();
+
+        return events.getItems();
+    }
+}

src/main/resources/application.yml

@@ -10,9 +10,9 @@ spring:
       chain:
         cache: false
   datasource:
-    url: jdbc:postgresql://${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_NAME}
-    username: ${DATABASE_USERNAME}
-    password: ${DATABASE_PASSWORD}
+    url: jdbc:postgresql://${DATABASE_HOST:localhost}:${DATABASE_PORT:5433}/${DATABASE_NAME:routine_db}
+    username: ${DATABASE_USERNAME:postgres}
+    password: ${DATABASE_PASSWORD:postgres}
     driver-class-name: org.postgresql.Driver
     hikari:
       maximum-pool-size: 5
@@ -33,7 +33,7 @@ spring:
     open-in-view: false
 
 server:
-  port: ${PORT:8080}   # Render が割り当てるポート
+  port: ${PORT:8080}   # Render が割り当てるポート、ローカルは8080
 
 logging:
   level:

src/main/resources/static/css/style.css

@@ -369,25 +369,4 @@ body {
 
 .day-name-ja {
     font-weight: 600;
-}
-
-.week-grid {
-    display: grid;
-    grid-template-columns: repeat(7, 1fr); /* 7日分 */
-    gap: 1rem;
-}
-
-.day-card {
-    background: #fff;
-    border-radius: 8px;
-    padding: 1rem;
-    min-height: 180px;
-    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
-}
-
-.day-name-ja {
-    font-size: 1.1rem;
-    font-weight: bold;
-    margin-bottom: 0.5rem;
-    text-align: center;
-}
+}