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	Replace #26661, fix #25979 Not perfect, but usable and much better than before. Since it is quite complex, I am not quite sure whether there would be any regression, if any, I will fix in first time. I have tested the related pages many times: issue list, milestone issue list, project view, user issue list, org issue list.
		
			
				
	
	
		
			72 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package issue
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import (
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	"strings"
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	"code.gitea.io/gitea/models/db"
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	issues_model "code.gitea.io/gitea/models/issues"
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	user_model "code.gitea.io/gitea/models/user"
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	"code.gitea.io/gitea/modules/base"
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	"code.gitea.io/gitea/services/context"
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)
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// PrepareFilterIssueLabels reads the "labels" query parameter, sets `ctx.Data["Labels"]` and `ctx.Data["SelectLabels"]`
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func PrepareFilterIssueLabels(ctx *context.Context, repoID int64, owner *user_model.User) (labelIDs []int64) {
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	// 1,-2 means including label 1 and excluding label 2
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	// 0 means issues with no label
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	// blank means labels will not be filtered for issues
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	selectLabels := ctx.FormString("labels")
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	if selectLabels != "" {
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		var err error
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		labelIDs, err = base.StringsToInt64s(strings.Split(selectLabels, ","))
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		if err != nil {
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			ctx.Flash.Error(ctx.Tr("invalid_data", selectLabels), true)
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		}
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	}
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	var allLabels []*issues_model.Label
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	if repoID != 0 {
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		repoLabels, err := issues_model.GetLabelsByRepoID(ctx, repoID, "", db.ListOptions{})
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		if err != nil {
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			ctx.ServerError("GetLabelsByRepoID", err)
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			return nil
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		}
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		allLabels = append(allLabels, repoLabels...)
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	}
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	if owner != nil && owner.IsOrganization() {
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		orgLabels, err := issues_model.GetLabelsByOrgID(ctx, owner.ID, "", db.ListOptions{})
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		if err != nil {
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			ctx.ServerError("GetLabelsByOrgID", err)
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			return nil
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		}
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		allLabels = append(allLabels, orgLabels...)
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	}
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	// Get the exclusive scope for every label ID
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	labelExclusiveScopes := make([]string, 0, len(labelIDs))
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	for _, labelID := range labelIDs {
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		foundExclusiveScope := false
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		for _, label := range allLabels {
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			if label.ID == labelID || label.ID == -labelID {
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				labelExclusiveScopes = append(labelExclusiveScopes, label.ExclusiveScope())
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				foundExclusiveScope = true
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				break
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			}
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		}
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		if !foundExclusiveScope {
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			labelExclusiveScopes = append(labelExclusiveScopes, "")
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		}
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	}
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	for _, l := range allLabels {
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		l.LoadSelectedLabelsAfterClick(labelIDs, labelExclusiveScopes)
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	}
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	ctx.Data["Labels"] = allLabels
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	ctx.Data["SelectLabels"] = selectLabels
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	return labelIDs
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}
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