1// This file was automatically generated by genny.
 2// Any changes will be lost if this file is regenerated.
 3// see https://github.com/cheekybits/genny
 4
 5package connections
 6
 7import (
 8	"fmt"
 9
10	"github.com/MichaelMure/git-bug/bug"
11	"github.com/MichaelMure/git-bug/graphql/models"
12)
13
14type BugCommentEdger func(value bug.Comment, offset int) Edge
15
16type BugCommentConMaker func(
17	edges []models.CommentEdge,
18	nodes []bug.Comment,
19	info models.PageInfo,
20	totalCount int) (models.CommentConnection, error)
21
22func BugCommentCon(source []bug.Comment, edger BugCommentEdger, conMaker BugCommentConMaker, input models.ConnectionInput) (models.CommentConnection, error) {
23	var nodes []bug.Comment
24	var edges []models.CommentEdge
25	var pageInfo models.PageInfo
26
27	emptyCon, _ := conMaker(edges, nodes, pageInfo, 0)
28
29	offset := 0
30
31	if input.After != nil {
32		for i, value := range source {
33			edge := edger(value, i)
34			if edge.GetCursor() == *input.After {
35				// remove all previous element including the "after" one
36				source = source[i+1:]
37				offset = i + 1
38				break
39			}
40		}
41	}
42
43	if input.Before != nil {
44		for i, value := range source {
45			edge := edger(value, i+offset)
46
47			if edge.GetCursor() == *input.Before {
48				// remove all after element including the "before" one
49				break
50			}
51
52			edges = append(edges, edge.(models.CommentEdge))
53			nodes = append(nodes, value)
54		}
55	} else {
56		edges = make([]models.CommentEdge, len(source))
57		nodes = source
58
59		for i, value := range source {
60			edges[i] = edger(value, i+offset).(models.CommentEdge)
61		}
62	}
63
64	if input.First != nil {
65		if *input.First < 0 {
66			return emptyCon, fmt.Errorf("first less than zero")
67		}
68
69		if len(edges) > *input.First {
70			// Slice result to be of length first by removing edges from the end
71			edges = edges[:*input.First]
72			nodes = nodes[:*input.First]
73			pageInfo.HasNextPage = true
74		}
75	}
76
77	if input.Last != nil {
78		if *input.Last < 0 {
79			return emptyCon, fmt.Errorf("last less than zero")
80		}
81
82		if len(edges) > *input.Last {
83			// Slice result to be of length last by removing edges from the start
84			edges = edges[len(edges)-*input.Last:]
85			nodes = nodes[len(nodes)-*input.Last:]
86			pageInfo.HasPreviousPage = true
87		}
88	}
89
90	return conMaker(edges, nodes, pageInfo, len(source))
91}