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