feat(db): Add StartsWith (And with userName research)

src/main/java/fr/univnantes/webandcloud/api/controllers/v1/Users.java

@@ -22,6 +22,7 @@ import fr.univnantes.webandcloud.api.responses.ResponseError;
 import fr.univnantes.webandcloud.api.services.DBService;
 import fr.univnantes.webandcloud.api.services.TokenService;
 import fr.univnantes.webandcloud.api.services.WithCursor;
+import fr.univnantes.webandcloud.api.services.db.DBUser;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.ArraySchema;
@@ -33,7 +34,7 @@ import io.swagger.v3.oas.annotations.responses.ApiResponse;
 public class Users extends BaseController {
 
     @Autowired
-    DBService<User> userDB;
+    DBUser userDB;
     @Autowired
     DBService<Token> tokenDB;
     @Autowired
@@ -46,7 +47,10 @@ public class Users extends BaseController {
     @NonNull
     public WithCursor<List<User>> users(
             @Parameter(description = "Limit for request", example = "2") @RequestParam @Nullable Integer limit,
-            @Parameter(description = "Cursor for next entity", example = "CgA=") @RequestParam @Nullable String cursor) {
+            @Parameter(description = "Cursor for next entity", example = "CgA=") @RequestParam @Nullable String cursor,
+            @Parameter(description = "userName research", example = "momo54") @RequestParam @Nullable String userName) {
+        if (userName != null)
+            return userDB.searchWithUserNameStartsWith(userName);
         return userDB.getAll(limit);
     }
 

src/main/java/fr/univnantes/webandcloud/api/services/db/DBUser.java

 package fr.univnantes.webandcloud.api.services.db;
 
+import java.util.List;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import fr.univnantes.webandcloud.api.core.User;
 import fr.univnantes.webandcloud.api.services.DBService;
+import fr.univnantes.webandcloud.api.services.WithCursor;
 import fr.univnantes.webandcloud.api.services.db.fields.user.EmailValue;
+import fr.univnantes.webandcloud.api.services.db.fields.user.UserNameStartsWith;
 
 @Service
 public class DBUser extends DBService<User> {
 
     @Autowired
     private EmailValue emailValue;
+    @Autowired
+    private UserNameStartsWith userNameStartsWith;
 
     public User searchFirstWithEmail(String email) {
         return searchFirstWith(new User(null, null, email, null, null, null, null), emailValue).data;
     }
+
+    public WithCursor<List<User>> searchWithUserNameStartsWith(String userName) {
+        return searchWith(new User(null, userName, null, null, null, null, null), userNameStartsWith);
+    }
 }

src/main/java/fr/univnantes/webandcloud/api/services/db/fields/user/UserNameStartsWith.java

+package fr.univnantes.webandcloud.api.services.db.fields.user;
+
+import org.springframework.stereotype.Service;
+
+import fr.univnantes.webandcloud.api.core.User;
+import fr.univnantes.webandcloud.api.services.fields.StartsWithFieldOf;
+
+@Service
+public class UserNameStartsWith extends StartsWithFieldOf<User> {
+
+    @Override
+    public String getFieldName() {
+        return "userName";
+    }
+
+    @Override
+    public String getValue(User entityUsed) {
+        return entityUsed.getUserName();
+    }
+}

src/main/java/fr/univnantes/webandcloud/api/services/fields/StartsWithFieldOf.java

+package fr.univnantes.webandcloud.api.services.fields;
+
+import com.google.cloud.datastore.StringValue;
+import com.google.cloud.datastore.StructuredQuery.CompositeFilter;
+import com.google.cloud.datastore.StructuredQuery.Filter;
+import com.google.cloud.datastore.StructuredQuery.PropertyFilter;
+
+import fr.univnantes.webandcloud.api.core.WithIdentifier;
+
+public abstract class StartsWithFieldOf<EntityUsed extends WithIdentifier> extends FilterFieldOf<EntityUsed> {
+
+    public abstract String getValue(EntityUsed entityUsed);
+
+    public Filter getFilterRelated(EntityUsed entityUsed) {
+        return getFilterWithValue(getValue(entityUsed));
+    }
+
+    public Filter getFilterWithValue(String base) {
+        if (base != null && base.length() > 0)
+            return CompositeFilter.and(
+                    PropertyFilter.ge(getFieldName(), new StringValue(base)),
+                    PropertyFilter.lt(
+                            getFieldName(),
+                            new StringValue(
+                                    String.format("%s%s", base, '\ufffd'))));
+        else
+            return PropertyFilter.eq(getFieldName(), base);
+    }
+
+}