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