WTF-781 Todoist project ID conversion (#789)

* WTF-781 Switch Todoist IDs from `int` to `string`

On platforms that convert an `int` to `int32`, like the Raspberry Pi,
an `int` is not large enough to store Todoist project IDs.

Using a `string` ensures this never becomes a problem.

Fixes #781

Signed-off-by: Chris Cummer <chriscummer@me.com>

utils/conversions.go

@@ -19,6 +19,17 @@ func MapToStrs(aMap map[string]interface{}) map[string]string {
 
 /* -------------------- Slice Conversion -------------------- */
 
+// IntsToUints takes a slice of ints and returns a slice of uints
+func IntsToUints(slice []int) []uint {
+	results := make([]uint, len(slice))
+
+	for i, val := range slice {
+		results[i] = uint(val)
+	}
+
+	return results
+}
+
 // ToInts takes a slice of interfaces and returns a slice of ints
 func ToInts(slice []interface{}) []int {
 	results := make([]int, len(slice))
@@ -45,3 +56,14 @@ func ToStrs(slice []interface{}) []string {
 
 	return results
 }
+
+// ToUints takes a slice of interfaces and returns a slice of ints
+func ToUints(slice []interface{}) []uint {
+	results := make([]uint, len(slice))
+
+	for i, val := range slice {
+		results[i] = val.(uint)
+	}
+
+	return results
+}

utils/conversions_test.go

@@ -21,6 +21,32 @@ func Test_MapToStrs(t *testing.T) {
 	assert.Equal(t, expected, MapToStrs(source))
 }
 
+func Test_IntsToUints(t *testing.T) {
+	tests := []struct {
+		name     string
+		src      []int
+		expected []uint
+	}{
+		{
+			name:     "empty set",
+			src:      []int{},
+			expected: []uint{},
+		},
+		{
+			name:     "full set",
+			src:      []int{1, 2, 3},
+			expected: []uint{1, 2, 3},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			actual := IntsToUints(tt.src)
+			assert.Equal(t, tt.expected, actual)
+		})
+	}
+}
+
 func Test_ToInts(t *testing.T) {
 	expected := []int{1, 2, 3}
 
@@ -49,3 +75,14 @@ func Test_ToStrs(t *testing.T) {
 	assert.Equal(t, expectedStrs, ToStrs(fromInts))
 	assert.Equal(t, expectedStrs, ToStrs(fromStrs))
 }
+
+func Test_ToUints(t *testing.T) {
+	expected := []uint{1, 2, 3}
+
+	source := make([]interface{}, len(expected))
+	for idx, val := range expected {
+		source[idx] = val
+	}
+
+	assert.Equal(t, expected, ToUints(source))
+}