repo.go

  1package resolvers
  2
  3import (
  4	"context"
  5
  6	"github.com/git-bug/git-bug/api/auth"
  7	"github.com/git-bug/git-bug/api/graphql/connections"
  8	"github.com/git-bug/git-bug/api/graphql/graph"
  9	"github.com/git-bug/git-bug/api/graphql/models"
 10	"github.com/git-bug/git-bug/entities/common"
 11	"github.com/git-bug/git-bug/entity"
 12	"github.com/git-bug/git-bug/query"
 13)
 14
 15var _ graph.RepositoryResolver = &repoResolver{}
 16
 17type repoResolver struct{}
 18
 19func (repoResolver) Name(_ context.Context, obj *models.Repository) (*string, error) {
 20	name := obj.Repo.Name()
 21	return &name, nil
 22}
 23
 24// Slug returns the URL-friendly identifier for the repo, used as the /:repo
 25// path segment in the frontend.
 26func (repoResolver) Slug(_ context.Context, obj *models.Repository) (string, error) {
 27	return obj.Repo.Slug(), nil
 28}
 29
 30func (repoResolver) AllBugs(_ context.Context, obj *models.Repository, after *string, before *string, first *int, last *int, queryStr *string) (*models.BugConnection, error) {
 31	input := models.ConnectionInput{
 32		Before: before,
 33		After:  after,
 34		First:  first,
 35		Last:   last,
 36	}
 37
 38	var q *query.Query
 39	if queryStr != nil {
 40		query2, err := query.Parse(*queryStr)
 41		if err != nil {
 42			return nil, err
 43		}
 44		q = query2
 45	} else {
 46		q = query.NewQuery()
 47	}
 48
 49	// Simply pass a []string with the ids to the pagination algorithm
 50	source, err := obj.Repo.Bugs().Query(q)
 51	if err != nil {
 52		return nil, err
 53	}
 54
 55	// The edger create a custom edge holding just the id
 56	edger := func(id entity.Id, offset int) connections.Edge {
 57		return connections.LazyBugEdge{
 58			Id:     id,
 59			Cursor: connections.OffsetToCursor(offset),
 60		}
 61	}
 62
 63	// The conMaker will finally load and compile bugs from git to replace the selected edges
 64	conMaker := func(lazyBugEdges []*connections.LazyBugEdge, lazyNode []entity.Id, info *models.PageInfo, totalCount int) (*models.BugConnection, error) {
 65		edges := make([]*models.BugEdge, len(lazyBugEdges))
 66		nodes := make([]models.BugWrapper, len(lazyBugEdges))
 67
 68		for i, lazyBugEdge := range lazyBugEdges {
 69			excerpt, err := obj.Repo.Bugs().ResolveExcerpt(lazyBugEdge.Id)
 70			if err != nil {
 71				return nil, err
 72			}
 73
 74			b := models.NewLazyBug(obj.Repo, excerpt)
 75
 76			edges[i] = &models.BugEdge{
 77				Cursor: lazyBugEdge.Cursor,
 78				Node:   b,
 79			}
 80			nodes[i] = b
 81		}
 82
 83		return &models.BugConnection{
 84			Edges:      edges,
 85			Nodes:      nodes,
 86			PageInfo:   info,
 87			TotalCount: totalCount,
 88		}, nil
 89	}
 90
 91	return connections.Connection(source, edger, conMaker, input)
 92}
 93
 94func (repoResolver) Bug(_ context.Context, obj *models.Repository, prefix string) (models.BugWrapper, error) {
 95	excerpt, err := obj.Repo.Bugs().ResolveExcerptPrefix(prefix)
 96	if err != nil {
 97		return nil, err
 98	}
 99
100	return models.NewLazyBug(obj.Repo, excerpt), nil
101}
102
103func (repoResolver) AllIdentities(_ context.Context, obj *models.Repository, after *string, before *string, first *int, last *int) (*models.IdentityConnection, error) {
104	input := models.ConnectionInput{
105		Before: before,
106		After:  after,
107		First:  first,
108		Last:   last,
109	}
110
111	// Simply pass a []string with the ids to the pagination algorithm
112	source := obj.Repo.Identities().AllIds()
113
114	// The edger create a custom edge holding just the id
115	edger := func(id entity.Id, offset int) connections.Edge {
116		return connections.LazyIdentityEdge{
117			Id:     id,
118			Cursor: connections.OffsetToCursor(offset),
119		}
120	}
121
122	// The conMaker will finally load and compile identities from git to replace the selected edges
123	conMaker := func(lazyIdentityEdges []*connections.LazyIdentityEdge, lazyNode []entity.Id, info *models.PageInfo, totalCount int) (*models.IdentityConnection, error) {
124		edges := make([]*models.IdentityEdge, len(lazyIdentityEdges))
125		nodes := make([]models.IdentityWrapper, len(lazyIdentityEdges))
126
127		for k, lazyIdentityEdge := range lazyIdentityEdges {
128			excerpt, err := obj.Repo.Identities().ResolveExcerpt(lazyIdentityEdge.Id)
129			if err != nil {
130				return nil, err
131			}
132
133			i := models.NewLazyIdentity(obj.Repo, excerpt)
134
135			edges[k] = &models.IdentityEdge{
136				Cursor: lazyIdentityEdge.Cursor,
137				Node:   i,
138			}
139			nodes[k] = i
140		}
141
142		return &models.IdentityConnection{
143			Edges:      edges,
144			Nodes:      nodes,
145			PageInfo:   info,
146			TotalCount: totalCount,
147		}, nil
148	}
149
150	return connections.Connection(source, edger, conMaker, input)
151}
152
153func (repoResolver) Identity(_ context.Context, obj *models.Repository, prefix string) (models.IdentityWrapper, error) {
154	excerpt, err := obj.Repo.Identities().ResolveExcerptPrefix(prefix)
155	if err != nil {
156		return nil, err
157	}
158
159	return models.NewLazyIdentity(obj.Repo, excerpt), nil
160}
161
162func (repoResolver) UserIdentity(ctx context.Context, obj *models.Repository) (models.IdentityWrapper, error) {
163	id, err := auth.UserFromCtx(ctx, obj.Repo)
164	if err == auth.ErrNotAuthenticated {
165		return nil, nil
166	} else if err != nil {
167		return nil, err
168	}
169	return models.NewLoadedIdentity(id.Identity), nil
170}
171
172func (repoResolver) ValidLabels(_ context.Context, obj *models.Repository, after *string, before *string, first *int, last *int) (*models.LabelConnection, error) {
173	input := models.ConnectionInput{
174		Before: before,
175		After:  after,
176		First:  first,
177		Last:   last,
178	}
179
180	edger := func(label common.Label, offset int) connections.Edge {
181		return models.LabelEdge{
182			Node:   label,
183			Cursor: connections.OffsetToCursor(offset),
184		}
185	}
186
187	conMaker := func(edges []*models.LabelEdge, nodes []common.Label, info *models.PageInfo, totalCount int) (*models.LabelConnection, error) {
188		return &models.LabelConnection{
189			Edges:      edges,
190			Nodes:      nodes,
191			PageInfo:   info,
192			TotalCount: totalCount,
193		}, nil
194	}
195
196	return connections.Connection(obj.Repo.Bugs().ValidLabels(), edger, conMaker, input)
197}