From 3d60272592090125f0ea4a9a9fa2df7470c88e34 Mon Sep 17 00:00:00 2001
From: Julien Dessaux <julien.dessaux@adyxax.org>
Date: Sun, 18 Jun 2023 00:31:32 +0200
Subject: [PATCH] Implemented projects datasource

---
 internal/provider/projects_data_source.go | 75 +++++++++++++++++++++
 internal/provider/provider.go             | 80 +++++++++++++++++++++++
 2 files changed, 155 insertions(+)
 create mode 100644 internal/provider/projects_data_source.go
 create mode 100644 internal/provider/provider.go

diff --git a/internal/provider/projects_data_source.go b/internal/provider/projects_data_source.go
new file mode 100644
index 0000000..b13fd87
--- /dev/null
+++ b/internal/provider/projects_data_source.go
@@ -0,0 +1,75 @@
+package provider
+
+import (
+	"context"
+	"fmt"
+
+	"git.adyxax.org/adyxax/terraform-eventline/internal/evcli"
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/hashicorp/terraform-plugin-framework/types/basetypes"
+)
+
+type projectsDataSource struct {
+	client *evcli.Client
+}
+
+var _ datasource.DataSource = &projectsDataSource{} // Ensure provider defined types fully satisfy framework interfaces.
+func NewProjectsDataSource() datasource.DataSource {
+	return &projectsDataSource{}
+}
+
+type ProjectsModel struct {
+	Elements []ProjectModel `tfsdk:"elements"`
+}
+type ProjectModel struct {
+	Id   types.String `tfsdk:"id"`
+	Name types.String `tfsdk:"name"`
+}
+
+func (d *projectsDataSource) Metadata(ctx context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
+	resp.TypeName = req.ProviderTypeName + "_projects"
+}
+
+func (d *projectsDataSource) Schema(ctx context.Context, req datasource.SchemaRequest, resp *datasource.SchemaResponse) {
+	resp.Schema = schema.Schema{
+		MarkdownDescription: "Eventline projects data source",
+		Attributes: map[string]schema.Attribute{
+			"elements": schema.ListAttribute{
+				Computed: true,
+				ElementType: types.ObjectType{
+					AttrTypes: map[string]attr.Type{
+						"id":   types.StringType,
+						"name": types.StringType,
+					},
+				},
+				MarkdownDescription: "Projects list",
+			},
+		},
+	}
+}
+
+func (d *projectsDataSource) Configure(ctx context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) {
+	d.client, _ = req.ProviderData.(*evcli.Client)
+}
+
+func (d *projectsDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
+	var data ProjectsModel
+	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	projects, err := d.client.FetchProjects()
+	if err != nil {
+		resp.Diagnostics.AddError("FetchProjects", fmt.Sprintf("Unable to fetch projects, got error: %s", err))
+		return
+	}
+	projectList := make([]ProjectModel, len(projects))
+	for i, project := range projects {
+		projectList[i] = ProjectModel{Id: basetypes.NewStringValue(project.Id.String()), Name: basetypes.NewStringValue(project.Name)}
+	}
+	data.Elements = projectList
+	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+}
diff --git a/internal/provider/provider.go b/internal/provider/provider.go
new file mode 100644
index 0000000..c29a915
--- /dev/null
+++ b/internal/provider/provider.go
@@ -0,0 +1,80 @@
+package provider
+
+import (
+	"context"
+	"fmt"
+
+	"git.adyxax.org/adyxax/terraform-eventline/internal/evcli"
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-framework/provider"
+	"github.com/hashicorp/terraform-plugin-framework/provider/schema"
+	"github.com/hashicorp/terraform-plugin-framework/resource"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+)
+
+type Provider struct {
+	version string
+}
+
+var _ provider.Provider = &Provider{} // Ensure provider defined types fully satisfy framework interfaces.
+func New(version string) func() provider.Provider {
+	return func() provider.Provider {
+		return &Provider{
+			version: version,
+		}
+	}
+}
+
+type ProviderModel struct {
+	ApiKey   types.String `tfsdk:"api_key"`
+	Endpoint types.String `tfsdk:"endpoint"`
+}
+
+func (p *Provider) Metadata(ctx context.Context, req provider.MetadataRequest, resp *provider.MetadataResponse) {
+	resp.TypeName = "eventline"
+	resp.Version = p.version
+}
+
+func (p *Provider) Schema(ctx context.Context, req provider.SchemaRequest, resp *provider.SchemaResponse) {
+	resp.Schema = schema.Schema{
+		Attributes: map[string]schema.Attribute{
+			"api_key": schema.StringAttribute{
+				MarkdownDescription: "Eventline's api key",
+				Required:            true,
+				Sensitive:           true,
+			},
+			"endpoint": schema.StringAttribute{
+				MarkdownDescription: "Eventline's HTTP endpoint",
+				Required:            true,
+			},
+		},
+	}
+}
+
+func (p *Provider) Configure(ctx context.Context, req provider.ConfigureRequest, resp *provider.ConfigureResponse) {
+	var data ProviderModel
+	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	config := evcli.Config{API: evcli.APIConfig{Endpoint: data.Endpoint.ValueString()}}
+	client, err := evcli.NewClient(&config)
+	if err != nil {
+		resp.Diagnostics.AddError("new api client", fmt.Sprintf("Unable to instanciate eventline api client, got error: %s", err))
+		return
+	}
+	client.APIKey = data.ApiKey.ValueString()
+
+	resp.DataSourceData = client
+	resp.ResourceData = client
+}
+
+func (p *Provider) Resources(ctx context.Context) []func() resource.Resource {
+	return []func() resource.Resource{}
+}
+
+func (p *Provider) DataSources(ctx context.Context) []func() datasource.DataSource {
+	return []func() datasource.DataSource{
+		NewProjectsDataSource,
+	}
+}