feat: implemented poke api client with cache

commands.go

@@ -4,10 +4,17 @@ import (
 	"fmt"
 	"os"
 	"sort"
+	"time"
+
+	"github.com/StevanFreeborn/pokedexcli/internal/pokeapi"
+	"github.com/StevanFreeborn/pokedexcli/internal/pokecache"
 )
 
 type context struct {
-	commands map[string]cliCommand
+	commands   map[string]cliCommand
+	client     *pokeapi.Client
+	prevOffset int
+	nextOffset int
 }
 
 func (r *context) register(c cliCommand) {
@@ -29,12 +36,29 @@ func NewContext() *context {
 		callback:    commandHelp,
 	}
 
+	var mapCommand = cliCommand{
+		name:        "map",
+		description: "Displays the names of the next 20 location areas",
+		callback:    commandMap,
+	}
+
+	var mapBackCommand = cliCommand{
+		name:        "mapb",
+		description: "Displays the names of the previous 20 location areas",
+		callback:    commandMapBack,
+	}
+
 	c := &context{
-		commands: map[string]cliCommand{},
+		commands:   map[string]cliCommand{},
+		client:     pokeapi.NewClient(pokecache.NewCache(5 * time.Second)),
+		prevOffset: 0,
+		nextOffset: 0,
 	}
 
 	c.register(exitCommand)
 	c.register(helpCommand)
+	c.register(mapCommand)
+	c.register(mapBackCommand)
 
 	return c
 }
@@ -73,3 +97,44 @@ func commandHelp(c *context) error {
 
 	return nil
 }
+
+func getMaps(c *context, offset int) error {
+	page, err := c.client.Locations.Get(offset)
+
+	if err != nil {
+		fmt.Println("Unable to get locations")
+		return err
+	}
+
+	c.prevOffset = page.GetPreviousOffset()
+	c.nextOffset = page.GetNextOffset()
+
+	if len(page.Results) == 0 {
+		fmt.Println("No locations found")
+	} else {
+		locationsPerPage := 20
+		currentPage := (offset / locationsPerPage) + 1
+		totalPages := page.Count / locationsPerPage
+
+		fmt.Printf("Displaying page %d of %d page(s)\n", currentPage, totalPages)
+	}
+
+	for _, location := range page.Results {
+		fmt.Printf("%s\n", location.Name)
+	}
+
+	return nil
+}
+
+func commandMap(c *context) error {
+	return getMaps(c, c.nextOffset)
+}
+
+func commandMapBack(c *context) error {
+	if c.prevOffset == 0 && (c.nextOffset == 0 || c.nextOffset == 20) {
+		fmt.Println("You're on the first page")
+		return nil
+	}
+
+	return getMaps(c, c.prevOffset)
+}