From 0e183074b326cf04a23ae1f1ba8dcc56166df485 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 20 Jul 2023 20:44:15 +0800
Subject: ...

---
 FrontEnd/src/pages/setting/ChangeAvatarDialog.tsx | 354 ++++++++++++++++++++++
 1 file changed, 354 insertions(+)
 create mode 100644 FrontEnd/src/pages/setting/ChangeAvatarDialog.tsx

(limited to 'FrontEnd/src/pages/setting/ChangeAvatarDialog.tsx')

diff --git a/FrontEnd/src/pages/setting/ChangeAvatarDialog.tsx b/FrontEnd/src/pages/setting/ChangeAvatarDialog.tsx
new file mode 100644
index 00000000..44bd2c68
--- /dev/null
+++ b/FrontEnd/src/pages/setting/ChangeAvatarDialog.tsx
@@ -0,0 +1,354 @@
+import { useState, useEffect } from "react";
+import * as React from "react";
+import { useTranslation } from "react-i18next";
+import { AxiosError } from "axios";
+
+import { convertI18nText, I18nText, UiLogicError } from "@/common";
+
+import { useUser } from "@/services/user";
+
+import { getHttpUserClient } from "@/http/user";
+
+import ImageCropper, { Clip, applyClipToImage } from "../common/ImageCropper";
+import Button from "../common/button/Button";
+import Dialog from "../common/dialog/Dialog";
+
+export interface ChangeAvatarDialogProps {
+  open: boolean;
+  close: () => void;
+}
+
+const ChangeAvatarDialog: React.FC<ChangeAvatarDialogProps> = (props) => {
+  const { t } = useTranslation();
+
+  const user = useUser();
+
+  const [file, setFile] = React.useState<File | null>(null);
+  const [fileUrl, setFileUrl] = React.useState<string | null>(null);
+  const [clip, setClip] = React.useState<Clip | null>(null);
+  const [cropImgElement, setCropImgElement] =
+    React.useState<HTMLImageElement | null>(null);
+  const [resultBlob, setResultBlob] = React.useState<Blob | null>(null);
+  const [resultUrl, setResultUrl] = React.useState<string | null>(null);
+
+  const [state, setState] = React.useState<
+    | "select"
+    | "crop"
+    | "processcrop"
+    | "preview"
+    | "uploading"
+    | "success"
+    | "error"
+  >("select");
+
+  const [message, setMessage] = useState<I18nText>(
+    "settings.dialogChangeAvatar.prompt.select"
+  );
+
+  const trueMessage = convertI18nText(message, t);
+
+  const closeDialog = props.close;
+
+  const close = React.useCallback((): void => {
+    if (!(state === "uploading")) {
+      closeDialog();
+    }
+  }, [state, closeDialog]);
+
+  useEffect(() => {
+    if (file != null) {
+      const url = URL.createObjectURL(file);
+      setClip(null);
+      setFileUrl(url);
+      setState("crop");
+      return () => {
+        URL.revokeObjectURL(url);
+      };
+    } else {
+      setFileUrl(null);
+      setState("select");
+    }
+  }, [file]);
+
+  React.useEffect(() => {
+    if (resultBlob != null) {
+      const url = URL.createObjectURL(resultBlob);
+      setResultUrl(url);
+      setState("preview");
+      return () => {
+        URL.revokeObjectURL(url);
+      };
+    } else {
+      setResultUrl(null);
+    }
+  }, [resultBlob]);
+
+  const onSelectFile = React.useCallback(
+    (e: React.ChangeEvent<HTMLInputElement>): void => {
+      const files = e.target.files;
+      if (files == null || files.length === 0) {
+        setFile(null);
+      } else {
+        setFile(files[0]);
+      }
+    },
+    []
+  );
+
+  const onCropNext = React.useCallback(() => {
+    if (
+      cropImgElement == null ||
+      clip == null ||
+      clip.width === 0 ||
+      file == null
+    ) {
+      throw new UiLogicError();
+    }
+
+    setState("processcrop");
+    void applyClipToImage(cropImgElement, clip, file.type).then((b) => {
+      setResultBlob(b);
+    });
+  }, [cropImgElement, clip, file]);
+
+  const onCropPrevious = React.useCallback(() => {
+    setFile(null);
+    setState("select");
+  }, []);
+
+  const onPreviewPrevious = React.useCallback(() => {
+    setResultBlob(null);
+    setState("crop");
+  }, []);
+
+  const upload = React.useCallback(() => {
+    if (resultBlob == null) {
+      throw new UiLogicError();
+    }
+
+    if (user == null) {
+      throw new UiLogicError();
+    }
+
+    setState("uploading");
+    getHttpUserClient()
+      .putAvatar(user.username, resultBlob)
+      .then(
+        () => {
+          setState("success");
+        },
+        (e: unknown) => {
+          setState("error");
+          setMessage({ type: "custom", value: (e as AxiosError).message });
+        }
+      );
+  }, [user, resultBlob]);
+
+  const createPreviewRow = (): React.ReactElement => {
+    if (resultUrl == null) {
+      throw new UiLogicError();
+    }
+    return (
+      <div className="row justify-content-center">
+        <div className="col col-auto">
+          <img
+            className="change-avatar-img"
+            src={resultUrl}
+            alt={t("settings.dialogChangeAvatar.previewImgAlt") ?? undefined}
+          />
+        </div>
+      </div>
+    );
+  };
+
+  return (
+    <Dialog open={props.open} onClose={close}>
+      <h3 className="cru-color-primary">
+        {t("settings.dialogChangeAvatar.title")}
+      </h3>
+      <hr />
+      {(() => {
+        if (state === "select") {
+          return (
+            <>
+              <div className="container">
+                <div className="row">
+                  {t("settings.dialogChangeAvatar.prompt.select")}
+                </div>
+                <div className="row">
+                  <input
+                    className="px-0"
+                    type="file"
+                    accept="image/*"
+                    onChange={onSelectFile}
+                  />
+                </div>
+              </div>
+              <hr />
+              <div className="cru-dialog-bottom-area">
+                <Button
+                  text="operationDialog.cancel"
+                  color="secondary"
+                  onClick={close}
+                />
+              </div>
+            </>
+          );
+        } else if (state === "crop") {
+          if (fileUrl == null) {
+            throw new UiLogicError();
+          }
+          return (
+            <>
+              <div className="container">
+                <div className="row justify-content-center">
+                  <ImageCropper
+                    clip={clip}
+                    onChange={setClip}
+                    imageUrl={fileUrl}
+                    imageElementCallback={setCropImgElement}
+                  />
+                </div>
+                <div className="row">
+                  {t("settings.dialogChangeAvatar.prompt.crop")}
+                </div>
+              </div>
+              <hr />
+              <div className="cru-dialog-bottom-area">
+                <Button
+                  text="operationDialog.cancel"
+                  color="secondary"
+                  outline
+                  onClick={close}
+                />
+                <Button
+                  text="operationDialog.previousStep"
+                  color="secondary"
+                  outline
+                  onClick={onCropPrevious}
+                />
+                <Button
+                  text="operationDialog.nextStep"
+                  color="primary"
+                  onClick={onCropNext}
+                  disabled={
+                    cropImgElement == null || clip == null || clip.width === 0
+                  }
+                />
+              </div>
+            </>
+          );
+        } else if (state === "processcrop") {
+          return (
+            <>
+              <div className="container">
+                <div className="row">
+                  {t("settings.dialogChangeAvatar.prompt.processingCrop")}
+                </div>
+              </div>
+              <hr />
+              <div className="cru-dialog-bottom-area">
+                <Button
+                  text="operationDialog.cancel"
+                  color="secondary"
+                  onClick={close}
+                  outline
+                />
+                <Button
+                  text="operationDialog.previousStep"
+                  color="secondary"
+                  onClick={onPreviewPrevious}
+                  outline
+                />
+              </div>
+            </>
+          );
+        } else if (state === "preview") {
+          return (
+            <>
+              <div className="container">
+                {createPreviewRow()}
+                <div className="row">
+                  {t("settings.dialogChangeAvatar.prompt.preview")}
+                </div>
+              </div>
+              <hr />
+              <div className="cru-dialog-bottom-area">
+                <Button
+                  text="operationDialog.cancel"
+                  color="secondary"
+                  outline
+                  onClick={close}
+                />
+                <Button
+                  text="operationDialog.previousStep"
+                  color="secondary"
+                  outline
+                  onClick={onPreviewPrevious}
+                />
+                <Button
+                  text="settings.dialogChangeAvatar.upload"
+                  color="primary"
+                  onClick={upload}
+                />
+              </div>
+            </>
+          );
+        } else if (state === "uploading") {
+          return (
+            <>
+              <div className="container">
+                {createPreviewRow()}
+                <div className="row">
+                  {t("settings.dialogChangeAvatar.prompt.uploading")}
+                </div>
+              </div>
+            </>
+          );
+        } else if (state === "success") {
+          return (
+            <>
+              <div className="container">
+                <div className="row p-4 text-success">
+                  {t("operationDialog.success")}
+                </div>
+              </div>
+              <hr />
+              <div className="cru-dialog-bottom-area">
+                <Button
+                  text="operationDialog.ok"
+                  color="success"
+                  onClick={close}
+                />
+              </div>
+            </>
+          );
+        } else {
+          return (
+            <>
+              <div className="container">
+                {createPreviewRow()}
+                <div className="row text-danger">{trueMessage}</div>
+              </div>
+              <hr />
+              <div>
+                <Button
+                  text="operationDialog.cancel"
+                  color="secondary"
+                  onClick={close}
+                />
+                <Button
+                  text="operationDialog.retry"
+                  color="primary"
+                  onClick={upload}
+                />
+              </div>
+            </>
+          );
+        }
+      })()}
+    </Dialog>
+  );
+};
+
+export default ChangeAvatarDialog;
-- 
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