useStudyComments.js
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import { ref, watch } from 'vue';
import { getGroupCommentListAPI, addGroupCommentAPI, addGroupCommentLikeAPI, delGroupCommentLikeAPI } from '@/api/course';
/**
* 学习评论跟踪器
* @param {*} course 课程对象
* @returns 学习评论跟踪器对象，包含 commentCount、commentList、newComment、showCommentPopup、popupComment、popupCommentList、popupLoading、popupFinished、popupLimit、popupPage、refreshComments、toggleLike、submitComment 等方法
*/
export const useStudyComments = (course) => {
const commentCount = ref(0);
const commentList = ref([]);
const newComment = ref('');
const showCommentPopup = ref(false);
const popupComment = ref('');
const popupCommentList = ref([]);
const popupLoading = ref(false);
const popupFinished = ref(false);
const popupLimit = ref(5);
const popupPage = ref(0);
const refreshComments = async () => {
if (!course.value?.group_id || !course.value?.id) return;
const comment = await getGroupCommentListAPI({
group_id: course.value.group_id,
schedule_id: course.value.id
});
if (comment.code) {
commentList.value = comment.data.comment_list;
commentCount.value = comment.data.comment_count;
}
};
const toggleLike = async (comment) => {
try {
if (!comment.is_like) {
const { code } = await addGroupCommentLikeAPI({ i: comment.id });
if (code) {
comment.is_like = true;
comment.like_count += 1;
}
} else {
const { code } = await delGroupCommentLikeAPI({ i: comment.id });
if (code) {
comment.is_like = false;
comment.like_count -= 1;
}
}
} catch (error) {
console.error('点赞操作失败:', error);
}
};
const submitComment = async () => {
if (!newComment.value.trim()) return;
if (!course.value?.group_id || !course.value?.id) return;
try {
const { code } = await addGroupCommentAPI({
group_id: course.value.group_id,
schedule_id: course.value.id,
note: newComment.value
});
if (code) {
await refreshComments();
newComment.value = '';
}
} catch (error) {
console.error('提交评论失败:', error);
}
};
const onPopupLoad = async () => {
if (!course.value?.group_id || !course.value?.id) {
popupLoading.value = false;
return;
}
const nextPage = popupPage.value;
try {
const res = await getGroupCommentListAPI({
group_id: course.value.group_id,
schedule_id: course.value.id,
limit: popupLimit.value,
page: nextPage
});
if (res.code) {
const newComments = res.data.comment_list;
const existingIds = new Set(popupCommentList.value.map(item => item.id));
const uniqueNewComments = newComments.filter(item => !existingIds.has(item.id));
popupCommentList.value = [...popupCommentList.value, ...uniqueNewComments];
popupFinished.value = res.data.comment_list.length < popupLimit.value;
popupPage.value = nextPage + 1;
}
} catch (error) {
console.error('加载评论失败:', error);
}
popupLoading.value = false;
};
const submitPopupComment = async () => {
if (!popupComment.value.trim()) return;
if (!course.value?.group_id || !course.value?.id) return;
try {
const { code, data } = await addGroupCommentAPI({
group_id: course.value.group_id,
schedule_id: course.value.id,
note: popupComment.value
});
if (code) {
popupCommentList.value = [];
popupPage.value = 0;
popupFinished.value = false;
await onPopupLoad();
commentCount.value = data.comment_count;
await refreshComments();
popupComment.value = '';
}
} catch (error) {
console.error('提交评论失败:', error);
}
};
watch(showCommentPopup, async (newVal) => {
if (!newVal) return;
if (!course.value?.group_id || !course.value?.id) return;
popupCommentList.value = [];
popupPage.value = 0;
popupFinished.value = false;
popupLoading.value = true;
await refreshComments();
onPopupLoad();
});
return {
commentCount,
commentList,
newComment,
showCommentPopup,
popupComment,
popupCommentList,
popupLoading,
popupFinished,
refreshComments,
toggleLike,
submitComment,
onPopupLoad,
submitPopupComment
};
};