move src out of srv, clean up default.nix and Makefile

1 files changed, 0 insertions, 421 deletions

diff --git a/srv/src/http/posts.go b/srv/src/http/posts.go
deleted file mode 100644
index c3f6363..0000000
--- a/srv/src/http/posts.go
+++ /dev/null
@@ -1,421 +0,0 @@
-package http
-
-import (
-	"bytes"
-	"context"
-	"errors"
-	"fmt"
-	"html/template"
-	"net/http"
-	"path/filepath"
-	"strings"
-	txttpl "text/template"
-	"time"
-
-	"github.com/gomarkdown/markdown"
-	"github.com/gomarkdown/markdown/html"
-	"github.com/gomarkdown/markdown/parser"
-	"github.com/mediocregopher/blog.mediocregopher.com/srv/http/apiutil"
-	"github.com/mediocregopher/blog.mediocregopher.com/srv/post"
-	"github.com/mediocregopher/mediocre-go-lib/v2/mctx"
-)
-
-func (a *api) parsePostBody(post post.Post) (*txttpl.Template, error) {
-	tpl := txttpl.New("root")
-	tpl = tpl.Funcs(txttpl.FuncMap(a.tplFuncs()))
-
-	tpl = txttpl.Must(tpl.New("image.html").Parse(mustReadTplFile("image.html")))
-	tpl = tpl.Funcs(txttpl.FuncMap{
-		"Image": func(id string) (string, error) {
-
-			tplPayload := struct {
-				ID        string
-				Resizable bool
-			}{
-				ID:        id,
-				Resizable: isImgResizable(id),
-			}
-
-			buf := new(bytes.Buffer)
-			if err := tpl.ExecuteTemplate(buf, "image.html", tplPayload); err != nil {
-				return "", err
-			}
-
-			return buf.String(), nil
-		},
-	})
-
-	tpl, err := tpl.New(post.ID + "-body.html").Parse(post.Body)
-
-	if err != nil {
-		return nil, err
-	}
-
-	return tpl, nil
-}
-
-type postTplPayload struct {
-	post.StoredPost
-	SeriesPrevious, SeriesNext *post.StoredPost
-	Body                       template.HTML
-}
-
-func (a *api) postToPostTplPayload(storedPost post.StoredPost) (postTplPayload, error) {
-
-	bodyTpl, err := a.parsePostBody(storedPost.Post)
-	if err != nil {
-		return postTplPayload{}, fmt.Errorf("parsing post body as template: %w", err)
-	}
-
-	bodyBuf := new(bytes.Buffer)
-
-	if err := bodyTpl.Execute(bodyBuf, nil); err != nil {
-		return postTplPayload{}, fmt.Errorf("executing post body as template: %w", err)
-	}
-
-	// this helps the markdown renderer properly parse pages which end in a
-	// `</script>` tag... I don't know why.
-	_, _ = bodyBuf.WriteString("\n")
-
-	parserExt := parser.CommonExtensions | parser.AutoHeadingIDs
-	parser := parser.NewWithExtensions(parserExt)
-
-	htmlFlags := html.HrefTargetBlank
-	htmlRenderer := html.NewRenderer(html.RendererOptions{Flags: htmlFlags})
-
-	renderedBody := markdown.ToHTML(bodyBuf.Bytes(), parser, htmlRenderer)
-
-	tplPayload := postTplPayload{
-		StoredPost: storedPost,
-		Body:       template.HTML(renderedBody),
-	}
-
-	if series := storedPost.Series; series != "" {
-
-		seriesPosts, err := a.params.PostStore.GetBySeries(series)
-		if err != nil {
-			return postTplPayload{}, fmt.Errorf(
-				"fetching posts for series %q: %w", series, err,
-			)
-		}
-
-		var foundThis bool
-
-		for i := range seriesPosts {
-
-			seriesPost := seriesPosts[i]
-
-			if seriesPost.ID == storedPost.ID {
-				foundThis = true
-				continue
-			}
-
-			if !foundThis {
-				tplPayload.SeriesNext = &seriesPost
-				continue
-			}
-
-			tplPayload.SeriesPrevious = &seriesPost
-			break
-		}
-	}
-
-	return tplPayload, nil
-}
-
-func (a *api) renderPostHandler() http.Handler {
-
-	tpl := a.mustParseBasedTpl("post.html")
-	renderPostsIndexHandler := a.renderPostsIndexHandler()
-	renderEditPostHandler := a.renderEditPostHandler(false)
-
-	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-
-		id := strings.TrimSuffix(filepath.Base(r.URL.Path), ".html")
-
-		if id == "/" {
-			renderPostsIndexHandler.ServeHTTP(rw, r)
-			return
-		}
-
-		if _, ok := r.URL.Query()["edit"]; ok {
-			renderEditPostHandler.ServeHTTP(rw, r)
-			return
-		}
-
-		storedPost, err := a.params.PostStore.GetByID(id)
-
-		if errors.Is(err, post.ErrPostNotFound) {
-			http.Error(rw, "Post not found", 404)
-			return
-		} else if err != nil {
-			apiutil.InternalServerError(
-				rw, r, fmt.Errorf("fetching post with id %q: %w", id, err),
-			)
-			return
-		}
-
-		tplPayload, err := a.postToPostTplPayload(storedPost)
-
-		if err != nil {
-			apiutil.InternalServerError(
-				rw, r, fmt.Errorf(
-					"generating template payload for post with id %q: %w",
-					id, err,
-				),
-			)
-			return
-		}
-
-		executeTemplate(rw, r, tpl, tplPayload)
-	})
-}
-
-func (a *api) renderPostsIndexHandler() http.Handler {
-
-	renderEditPostHandler := a.renderEditPostHandler(false)
-	tpl := a.mustParseBasedTpl("posts.html")
-	const pageCount = 20
-
-	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-
-		if _, ok := r.URL.Query()["edit"]; ok {
-			renderEditPostHandler.ServeHTTP(rw, r)
-			return
-		}
-
-		page, err := apiutil.StrToInt(r.FormValue("p"), 0)
-		if err != nil {
-			apiutil.BadRequest(
-				rw, r, fmt.Errorf("invalid page number: %w", err),
-			)
-			return
-		}
-
-		posts, hasMore, err := a.params.PostStore.Get(page, pageCount)
-		if err != nil {
-			apiutil.InternalServerError(
-				rw, r, fmt.Errorf("fetching page %d of posts: %w", page, err),
-			)
-			return
-		}
-
-		tplPayload := struct {
-			Posts              []post.StoredPost
-			PrevPage, NextPage int
-		}{
-			Posts:    posts,
-			PrevPage: -1,
-			NextPage: -1,
-		}
-
-		if page > 0 {
-			tplPayload.PrevPage = page - 1
-		}
-
-		if hasMore {
-			tplPayload.NextPage = page + 1
-		}
-
-		executeTemplate(rw, r, tpl, tplPayload)
-	})
-}
-
-func (a *api) renderEditPostHandler(isDraft bool) http.Handler {
-
-	tpl := a.mustParseBasedTpl("edit-post.html")
-
-	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-
-		id := filepath.Base(r.URL.Path)
-
-		var storedPost post.StoredPost
-
-		if id != "/" {
-
-			var err error
-
-			if isDraft {
-				storedPost.Post, err = a.params.PostDraftStore.GetByID(id)
-			} else {
-				storedPost, err = a.params.PostStore.GetByID(id)
-			}
-
-			if errors.Is(err, post.ErrPostNotFound) {
-				http.Error(rw, "Post not found", 404)
-				return
-			} else if err != nil {
-				apiutil.InternalServerError(
-					rw, r, fmt.Errorf("fetching post with id %q: %w", id, err),
-				)
-				return
-			}
-
-		} else if !isDraft {
-			http.Error(rw, "Post ID required in URL", 400)
-			return
-		}
-
-		tags, err := a.params.PostStore.GetTags()
-		if err != nil {
-			apiutil.InternalServerError(rw, r, fmt.Errorf("fetching tags: %w", err))
-			return
-		}
-
-		tplPayload := struct {
-			Post    post.StoredPost
-			Tags    []string
-			IsDraft bool
-		}{
-			Post:    storedPost,
-			Tags:    tags,
-			IsDraft: isDraft,
-		}
-
-		executeTemplate(rw, r, tpl, tplPayload)
-	})
-}
-
-func postFromPostReq(r *http.Request) (post.Post, error) {
-
-	p := post.Post{
-		ID:          r.PostFormValue("id"),
-		Title:       r.PostFormValue("title"),
-		Description: r.PostFormValue("description"),
-		Tags:        strings.Fields(r.PostFormValue("tags")),
-		Series:      r.PostFormValue("series"),
-	}
-
-	// textareas encode newlines as CRLF for historical reasons
-	p.Body = r.PostFormValue("body")
-	p.Body = strings.ReplaceAll(p.Body, "\r\n", "\n")
-	p.Body = strings.TrimSpace(p.Body)
-
-	if p.ID == "" ||
-		p.Title == "" ||
-		p.Description == "" ||
-		p.Body == "" ||
-		len(p.Tags) == 0 {
-		return post.Post{}, errors.New("ID, Title, Description, Tags, and Body are all required")
-	}
-
-	return p, nil
-}
-
-func (a *api) storeAndPublishPost(ctx context.Context, p post.Post) error {
-
-	first, err := a.params.PostStore.Set(p, time.Now())
-
-	if err != nil {
-		return fmt.Errorf("storing post with id %q: %w", p.ID, err)
-	}
-
-	if !first {
-		return nil
-	}
-
-	a.params.Logger.Info(ctx, "publishing blog post to mailing list")
-	urlStr := a.postURL(p.ID, true)
-
-	if err := a.params.MailingList.Publish(p.Title, urlStr); err != nil {
-		return fmt.Errorf("publishing post to mailing list: %w", err)
-	}
-
-	if err := a.params.PostDraftStore.Delete(p.ID); err != nil {
-		return fmt.Errorf("deleting draft: %w", err)
-	}
-
-	return nil
-}
-
-func (a *api) postPostHandler() http.Handler {
-
-	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-
-		ctx := r.Context()
-
-		p, err := postFromPostReq(r)
-		if err != nil {
-			apiutil.BadRequest(rw, r, err)
-			return
-		}
-
-		ctx = mctx.Annotate(ctx, "postID", p.ID)
-
-		if err := a.storeAndPublishPost(ctx, p); err != nil {
-			apiutil.InternalServerError(
-				rw, r, fmt.Errorf("storing/publishing post with id %q: %w", p.ID, err),
-			)
-			return
-		}
-
-		a.executeRedirectTpl(rw, r, a.postURL(p.ID, false))
-	})
-}
-
-func (a *api) deletePostHandler(isDraft bool) http.Handler {
-
-	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-
-		id := filepath.Base(r.URL.Path)
-
-		if id == "/" {
-			apiutil.BadRequest(rw, r, errors.New("id is required"))
-			return
-		}
-
-		var err error
-
-		if isDraft {
-			err = a.params.PostDraftStore.Delete(id)
-		} else {
-			err = a.params.PostStore.Delete(id)
-		}
-
-		if errors.Is(err, post.ErrPostNotFound) {
-			http.Error(rw, "Post not found", 404)
-			return
-		} else if err != nil {
-			apiutil.InternalServerError(
-				rw, r, fmt.Errorf("deleting post with id %q: %w", id, err),
-			)
-			return
-		}
-
-		if isDraft {
-			a.executeRedirectTpl(rw, r, a.draftsURL(false))
-		} else {
-			a.executeRedirectTpl(rw, r, a.postsURL(false))
-		}
-	})
-}
-
-func (a *api) previewPostHandler() http.Handler {
-
-	tpl := a.mustParseBasedTpl("post.html")
-
-	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-
-		p, err := postFromPostReq(r)
-		if err != nil {
-			apiutil.BadRequest(rw, r, err)
-			return
-		}
-
-		storedPost := post.StoredPost{
-			Post:        p,
-			PublishedAt: time.Now(),
-		}
-
-		tplPayload, err := a.postToPostTplPayload(storedPost)
-
-		if err != nil {
-			apiutil.InternalServerError(
-				rw, r, fmt.Errorf("generating template payload: %w", err),
-			)
-			return
-		}
-
-		executeTemplate(rw, r, tpl, tplPayload)
-	})
-}