#429: fixed duplicate file uploads

1 files changed, 67 insertions, 0 deletions

diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/exceptions/HandledServerErrors.java b/app/src/main/java/it/niedermann/nextcloud/deck/exceptions/HandledServerErrors.java
new file mode 100644
index 000000000..38a63d2c1
--- /dev/null
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/exceptions/HandledServerErrors.java
@@ -0,0 +1,67 @@
+package it.niedermann.nextcloud.deck.exceptions;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonSyntaxException;
+import com.nextcloud.android.sso.exceptions.NextcloudHttpRequestFailedException;
+
+public enum HandledServerErrors {
+    UNKNOWN(1337, "hopefully won't occurr"),
+    ATTACHMENTS_FILE_ALREADY_EXISTS(409, "File already exists."),
+    ;
+
+    private int status;
+    private String message;
+
+    HandledServerErrors(int status, String message) {
+        this.status = status;
+        this.message = message;
+    }
+
+    public static HandledServerErrors fromThrowable(Throwable throwable) {
+        if (throwable instanceof NextcloudHttpRequestFailedException) {
+            NextcloudHttpRequestFailedException requestFailedException = (NextcloudHttpRequestFailedException) throwable;
+            if (requestFailedException.getCause() != null) {
+                String errorString = requestFailedException.getCause().getMessage();
+                try {
+                    JsonElement jsonElement = JsonParser.parseString(errorString);
+                    if (jsonElement.isJsonObject()){
+                        ServerError error = new ServerError();
+                        error.status = requestFailedException.getStatusCode();
+                        JsonObject errorObj = jsonElement.getAsJsonObject();
+                        if (errorObj.has("message")){
+                            error.message = errorObj.get("message").getAsString();
+                        }
+                        return findByServerError(error);
+                    }
+                } catch (JsonSyntaxException e){
+                    return HandledServerErrors.UNKNOWN;
+                }
+            }
+        }
+        return HandledServerErrors.UNKNOWN;
+    }
+
+    private static HandledServerErrors findByServerError(ServerError error) {
+        for (HandledServerErrors value : HandledServerErrors.values()) {
+            if (value.status == error.status && value.message.equals(error.message)){
+                return value;
+            }
+        }
+        return HandledServerErrors.UNKNOWN;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public int getStatus() {
+        return status;
+    }
+
+    private static class ServerError {
+        private int status;
+        private String message;
+    }
+}