Merge pull request #61 from moul/dev/moul/pull-caching

feat: pull caching (#60)

cmd_pull.go

@@ -79,9 +79,16 @@ func pull(opts *pullOptions) error {
 			client := github.NewClient(tc)
 
 			go func(repo Repo) {
+
 				total := 0
 				defer wg.Done()
 				opts := &github.IssueListByRepoOptions{State: "all"}
+
+				var lastEntry Issue
+				if err := db.Where("repo_url = ?", repo.Canonical()).Order("updated_at desc").First(&lastEntry).Error; err == nil {
+					opts.Since = lastEntry.UpdatedAt
+				}
+
 				for {
 					issues, resp, err := client.Issues.ListByRepo(ctx, repo.Namespace(), repo.Project(), opts)
 					if err != nil {

issue.go

@@ -9,6 +9,7 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/awalterschulze/gographviz"
 	"github.com/google/go-github/github"
@@ -44,6 +45,8 @@ type Issue struct {
 	Errors           []error    `json:"-" gorm:"-"`
 
 	// mapping
+	CreatedAt time.Time
+	UpdatedAt time.Time
 	Number    int
 	Title     string
 	State     string
@@ -72,6 +75,8 @@ func FromGitHubIssue(input *github.Issue) *Issue {
 	}
 	parts := strings.Split(*input.HTMLURL, "/")
 	issue := &Issue{
+		CreatedAt: *input.CreatedAt,
+		UpdatedAt: *input.UpdatedAt,
 		Provider:  GitHubProvider,
 		GitHub:    input,
 		Number:    *input.Number,