feat: get most used language for repo (#133)

* feature: add helper methods for the Set
* add better lint support

Makefile

@@ -1,6 +1,6 @@
 
 # Linting
-GOLANGCI_LINT_VERSION=1.51.2
+GOLANGCI_LINT_VERSION=1.52.2
 
 # Build a binary
 .PHONY: build
@@ -15,11 +15,12 @@ test:
 
 # The linting gods must be obeyed
 .PHONY: lint
-lint: ./bin/golangci-lint
-	./bin/golangci-lint run
+lint: ./bin/$(GOLANGCI_LINT_VERSION)/golangci-lint
+	./bin/$(GOLANGCI_LINT_VERSION)/golangci-lint run
 
-./bin/golangci-lint:
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v$(GOLANGCI_LINT_VERSION)
+./bin/$(GOLANGCI_LINT_VERSION)/golangci-lint:
+	mkdir -p ./bin/$(GOLANGCI_LINT_VERSION)/
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b ./bin/$(GOLANGCI_LINT_VERSION) v$(GOLANGCI_LINT_VERSION)
 
 # Generate the mocks (embedded via go generate)
 .PHONY: mocks

pkg/gh/get_repo_details.go

@@ -4,22 +4,16 @@ import (
 	"context"
 	"fmt"
 
+	"github.com/mdevilliers/org-scrounger/pkg/util"
 	"github.com/shurcooL/githubv4"
 )
 
 type Repository struct {
 	Name       githubv4.String  `json:"name"`
 	URL        githubv4.String  `json:"url"`
 	IsArchived githubv4.Boolean `json:"is_archived"`
-	Languages  struct {
-		Edges []struct {
-			Size githubv4.Int `json:"size"`
-		} `graphql:"edges" json:"edges"`
-		Nodes []struct {
-			Name githubv4.String `json:"name"`
-		} `json:"nodes"`
-	} `json:"languages" graphql:"languages(first:10)"`
-	Ref struct {
+	Languages  Languages        `json:"languages" graphql:"languages(first:10)"`
+	Ref        struct {
 		Target struct {
 			Commit struct {
 				Message           githubv4.String `json:"message"`
@@ -46,6 +40,29 @@ type Repository struct {
 	VulnerabilityAlerts `graphql:"vulnerabilityAlerts(first:100, states:[OPEN])" json:"vulnerability_alerts"`
 }
 
+type Languages struct {
+	Edges []struct {
+		Size githubv4.Int `json:"size"`
+	} `graphql:"edges" json:"edges"`
+	Nodes []struct {
+		Name githubv4.String `json:"name"`
+	} `json:"nodes"`
+}
+
+func (l Languages) Top() string {
+
+	if len(l.Nodes) == 0 {
+		return ""
+	}
+
+	s := util.NewSet[string]()
+	for i, n := range l.Nodes {
+		s.AddWithValue(string(n.Name), int(l.Edges[i].Size))
+	}
+	ret, _ := s.TopValue()
+	return ret
+}
+
 type CheckRun struct {
 	Name       githubv4.String `json:"name,omitempty"`
 	Summary    githubv4.String `json:"summary,omitempty"`

pkg/util/set.go

@@ -24,6 +24,30 @@ func (s Set[T]) Add(c T) {
 	}
 }
 
+// Add an item, incrementing the count
+func (s Set[T]) AddWithValue(c T, n int) {
+	_, found := s[c]
+	if found {
+		s[c] += n
+	} else {
+		s[c] = n
+	}
+}
+
+// TopValue returns the key with the highest value and its value
+func (s Set[T]) TopValue() (T, int) {
+
+	n := 0
+	var ret T
+	for k, v := range s {
+		if v > n {
+			n = v
+			ret = k
+		}
+	}
+	return ret, n
+}
+
 // Keys returns a slice of keys
 func (s Set[T]) Keys() []T {
 	r := []T{}

pkg/util/set_test.go

@@ -0,0 +1,21 @@
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func Test_Set(t *testing.T) {
+
+	s := NewSet[string]()
+	s.AddWithValue("foo", 123)
+	s.AddWithValue("bar", 456)
+	s.AddWithValue("bar", 1)
+
+	v, n := s.TopValue()
+
+	require.Equal(t, 457, n)
+	require.Equal(t, "bar", v)
+
+}