115 lines
3.1 KiB
Go
115 lines
3.1 KiB
Go
// Package handler provides HTTP handlers for various endpoints.
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package handler
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import (
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"net/http"
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"modelRT/logger"
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"modelRT/model"
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"modelRT/network"
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"modelRT/util"
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"github.com/gin-gonic/gin"
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)
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// MeasurementRecommendHandler define measurement recommend API
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// @Summary 测量点推荐（搜索框自动补全）
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// @Description 根据用户输入的字符串，从 Redis 中查询可能的测量点或结构路径，并提供推荐列表。
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// @Tags Measurement Recommend
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// @Accept json
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// @Produce json
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// @Param input query string true "推荐关键词,例如 'grid1' 或 'grid1.'" Example("grid1")
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// @Success 200 {object} network.SuccessResponse{payload=network.MeasurementRecommendPayload} "返回推荐列表成功"
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//
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// @Example 200 {
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// "code": 200,
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// "msg": "success",
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// "payload": {
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// "input": "grid1.zone1.station1.ns1.tag1.bay.",
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// "offset": 21,
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// "recommended_list": [
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// "I11_A_rms",
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// "I11_B_rms.",
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// "I11_C_rms.",
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// ]
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// }
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// }
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//
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// @Failure 400 {object} network.FailureResponse "返回推荐列表失败"
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//
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// @Example 400 {
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// "code": 400,
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// "msg": "failed to get recommend data from redis",
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// }
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//
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// @Router /measurement/recommend [get]
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func MeasurementRecommendHandler(c *gin.Context) {
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var request network.MeasurementRecommendRequest
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if err := c.ShouldBindQuery(&request); err != nil {
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logger.Error(c, "failed to bind measurement recommend request", "error", err)
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c.JSON(http.StatusOK, network.FailureResponse{
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Code: http.StatusBadRequest,
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Msg: err.Error(),
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})
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return
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}
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recommends, isFuzzy, err := model.RedisSearchRecommend(c, request.Input)
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if err != nil {
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logger.Error(c, "failed to get recommend data from redis", "input", request.Input, "error", err)
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c.JSON(http.StatusOK, network.FailureResponse{
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Code: http.StatusInternalServerError,
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Msg: err.Error(),
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Payload: map[string]any{
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"input": request.Input,
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},
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})
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return
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}
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var finalOffset int
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if isFuzzy {
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var maxOffset int
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for index, recommend := range recommends {
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offset := util.GetLongestCommonPrefixLength(request.Input, recommend)
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if index == 0 || offset > maxOffset {
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maxOffset = offset
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}
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}
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finalOffset = maxOffset
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} else {
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var minOffset int
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for index, recommend := range recommends {
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offset := util.GetLongestCommonPrefixLength(request.Input, recommend)
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if index == 0 || offset < minOffset {
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minOffset = offset
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}
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}
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finalOffset = minOffset
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}
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resultRecommends := make([]string, 0, len(recommends))
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seen := make(map[string]struct{})
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for _, recommend := range recommends {
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recommendTerm := recommend[finalOffset:]
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if len(recommendTerm) != 0 {
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if _, exists := seen[recommendTerm]; !exists {
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seen[recommendTerm] = struct{}{}
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resultRecommends = append(resultRecommends, recommendTerm)
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}
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}
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}
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c.JSON(http.StatusOK, network.SuccessResponse{
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Code: http.StatusOK,
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Msg: "success",
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Payload: &network.MeasurementRecommendPayload{
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Input: request.Input,
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Offset: finalOffset,
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RecommendedList: resultRecommends,
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},
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})
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}
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