Split details/display package views into new module

This moves a lot of the package and group display logic into a new view
module, similar to what we already did earlier with a bunch of other
views.

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 160 insertions, 0 deletions

diff --git a/packages/views/display.py b/packages/views/display.py
new file mode 100644
index 00000000..dd57571a
--- /dev/null
+++ b/packages/views/display.py
@@ -0,0 +1,160 @@
+import json
+from string import Template
+from urllib import urlencode
+
+from django.http import HttpResponse, Http404
+from django.shortcuts import get_object_or_404, redirect
+from django.views.generic.simple import direct_to_template
+from django.views.decorators.vary import vary_on_headers
+
+from main.models import Package, PackageFile, Arch, Repo
+from mirrors.utils import get_mirror_url_for_download
+from ..utils import get_group_info, PackageJSONEncoder
+
+
+def split_package_details(request, name='', repo='', arch=''):
+    arch = get_object_or_404(Arch, name=arch)
+    arches = [ arch ]
+    arches.extend(Arch.objects.filter(agnostic=True))
+    repo = get_object_or_404(Repo, name__iexact=repo)
+    pkgs = Package.objects.normal().filter(pkgbase=name,
+            repo__testing=repo.testing, repo__staging=repo.staging,
+            arch__in=arches).order_by('pkgname')
+    if len(pkgs) == 0:
+        raise Http404
+    # we have packages, but ensure at least one is in the given repo
+    if not any(True for pkg in pkgs if pkg.repo == repo):
+        raise Http404
+    context = {
+        'list_title': 'Split Package Details',
+        'name': name,
+        'arch': arch,
+        'packages': pkgs,
+    }
+    return direct_to_template(request, 'packages/packages_list.html',
+            context)
+
+
+def details(request, name='', repo='', arch=''):
+    if all([name, repo, arch]):
+        try:
+            pkg = Package.objects.select_related(
+                    'arch', 'repo', 'packager').get(pkgname=name,
+                    repo__name__iexact=repo, arch__name=arch)
+            return direct_to_template(request, 'packages/details.html',
+                    {'pkg': pkg, })
+        except Package.DoesNotExist:
+            arch_obj = get_object_or_404(Arch, name=arch)
+            # for arch='any' packages, we can issue a redirect to them if we
+            # have a single non-ambiguous option by changing the arch to match
+            # any arch-agnostic package
+            if not arch_obj.agnostic:
+                pkgs = Package.objects.select_related(
+                    'arch', 'repo', 'packager').filter(pkgname=name,
+                    repo__name__iexact=repo, arch__agnostic=True)
+                if len(pkgs) == 1:
+                    return redirect(pkgs[0], permanent=True)
+            return split_package_details(request, name, repo, arch)
+    else:
+        pkg_data = [
+            ('arch', arch.lower()),
+            ('repo', repo.lower()),
+            ('q',    name),
+        ]
+        # only include non-blank values in the query we generate
+        pkg_data = [(x, y.encode('utf-8')) for x, y in pkg_data if y]
+        return redirect("/packages/?%s" % urlencode(pkg_data))
+
+
+def groups(request, arch=None):
+    arches = []
+    if arch:
+        get_object_or_404(Arch, name=arch, agnostic=False)
+        arches.append(arch)
+    grps = get_group_info(arches)
+    context = {
+        'groups': grps,
+        'arch': arch,
+    }
+    return direct_to_template(request, 'packages/groups.html', context)
+
+
+def group_details(request, arch, name):
+    arch = get_object_or_404(Arch, name=arch)
+    arches = [ arch ]
+    arches.extend(Arch.objects.filter(agnostic=True))
+    pkgs = Package.objects.normal().filter(
+            groups__name=name, arch__in=arches).order_by('pkgname')
+    if len(pkgs) == 0:
+        raise Http404
+    context = {
+        'list_title': 'Group Details',
+        'name': name,
+        'arch': arch,
+        'packages': pkgs,
+    }
+    return direct_to_template(request, 'packages/packages_list.html', context)
+
+
+@vary_on_headers('X-Requested-With')
+def files(request, name, repo, arch):
+    pkg = get_object_or_404(Package,
+            pkgname=name, repo__name__iexact=repo, arch__name=arch)
+    # files are inserted in sorted order, so preserve that
+    fileslist = PackageFile.objects.filter(pkg=pkg).order_by('id')
+    dir_count = sum(1 for f in fileslist if f.is_directory)
+    files_count = len(fileslist) - dir_count
+    context = {
+        'pkg': pkg,
+        'files': fileslist,
+        'files_count': files_count,
+        'dir_count': dir_count,
+    }
+    template = 'packages/files.html'
+    if request.is_ajax():
+        template = 'packages/files_list.html'
+    return direct_to_template(request, template, context)
+
+
+def details_json(request, name, repo, arch):
+    pkg = get_object_or_404(Package,
+            pkgname=name, repo__name__iexact=repo, arch__name=arch)
+    to_json = json.dumps(pkg, ensure_ascii=False, cls=PackageJSONEncoder)
+    return HttpResponse(to_json, mimetype='application/json')
+
+
+def files_json(request, name, repo, arch):
+    pkg = get_object_or_404(Package,
+            pkgname=name, repo__name__iexact=repo, arch__name=arch)
+    # files are inserted in sorted order, so preserve that
+    fileslist = PackageFile.objects.filter(pkg=pkg).order_by('id')
+    data = {
+        'pkgname': pkg.pkgname,
+        'repo': pkg.repo.name.lower(),
+        'arch': pkg.arch.name.lower(),
+        'files': fileslist,
+    }
+    to_json = json.dumps(data, ensure_ascii=False, cls=PackageJSONEncoder)
+    return HttpResponse(to_json, mimetype='application/json')
+
+
+def download(request, name, repo, arch):
+    pkg = get_object_or_404(Package,
+            pkgname=name, repo__name__iexact=repo, arch__name=arch)
+    url = get_mirror_url_for_download()
+    if not url:
+        raise Http404
+    arch = pkg.arch.name
+    if pkg.arch.agnostic:
+        # grab the first non-any arch to fake the download path
+        arch = Arch.objects.exclude(agnostic=True)[0].name
+    values = {
+        'host': url.url,
+        'arch': arch,
+        'repo': pkg.repo.name.lower(),
+        'file': pkg.filename,
+    }
+    url = Template('${host}${repo}/os/${arch}/${file}').substitute(values)
+    return redirect(url)
+
+# vim: set ts=4 sw=4 et: