mamweb/seminar/admin.py

# -*- coding: utf-8 -*-

from django.contrib import admin
from django import forms
from django.forms import widgets
import reversion
from solo.admin import SingletonModelAdmin
from ckeditor.widgets import CKEditorWidget
from django.db.models import Count
from django.db import models

from seminar.models import Skola, Resitel, Rocnik, Cislo, Problem, Reseni, PrilohaReseni, Nastaveni, Soustredeni, Soustredeni_Ucastnici, Novinky, Organizator
import autocomplete_light


def predvypln_prihlaseneho(*pole):
    u"""Dekorátor pro Adminy. Předvyplní do *polí přihlášeného uživatele.
    """
    def formfield_for_foreignkey(self, db_field, request, **kwargs):
        if db_field.name in pole:
            kwargs['initial'] = request.user.id
        return super(self.__class__, self).formfield_for_foreignkey(
            db_field, request, **kwargs
        )

    def decorator(orig_class):
        orig_class.formfield_for_foreignkey = formfield_for_foreignkey
        return orig_class

    return decorator


def make_set_action(atribut, hodnota, nazev):
    u"""
    Pomocnik pro rychle vytvareni hromadnych admin akci ktere jen nastavuji
    atribut (dany jako string) na danou hodnotu.
    nazev je krátký popis akce pro admin rozhraní."""
    def action_f(modeladmin, request, queryset):
        for obj in queryset:
            assert atribut in obj.__dict__
            obj.__setattr__(atribut, hodnota)
            obj.save()
    action_f.short_description = nazev
    # Trik: je potřeba, aby se funkce různě (ale libovolně) jmenovaly,
    # jinak je Django v seznamu akcí splácne do jedné
    action_f.__name__ = 'action_f_%d_%d_%d' % (id(atribut), id(hodnota), id(nazev), )
    return action_f


### Globální nastavení

admin.site.register(Nastaveni, SingletonModelAdmin)


### UTILS (pro verbose_name a help_text)

def field_labels(model, fieldname):
    f = [i for i in model._meta.fields if i.name == fieldname][0]
    return {'label': f.verbose_name.capitalize(), 'help_text': f.help_text, }

def create_modeladmin(modeladmin, model, name = None, verbose_name = None, verbose_name_plural = None):
    
    class  Meta:
        proxy = True
        app_label = model._meta.app_label
    Meta.verbose_name = verbose_name
    Meta.verbose_name_plural = verbose_name_plural

    attrs = {'__module__': '', 'Meta': Meta}
    newmodel = type(name, (model,), attrs)
    admin.site.register(newmodel, modeladmin)
    return modeladmin

### INLINES

class ResitelInline(admin.TabularInline):
    model = Resitel
    fields = ['jmeno', 'prijmeni', 'skola', 'mesto', 'rok_maturity', ]
    readonly_fields = ['jmeno', 'prijmeni', 'skola', 'mesto', 'rok_maturity', ]
    extra = 0

    def has_add_permission(self, req): return False


class CisloInline(admin.TabularInline):
    model = Cislo
    fields = ['cislo', 'datum_vydani', 'datum_deadline', 'verejne_db', 'poznamka']
    readonly_fields = ['cislo']
    extra = 0
    formfield_overrides = {
        models.TextField: {'widget': forms.TextInput},
    }

    def has_add_permission(self, req): return False


class PrilohaReseniInline(admin.StackedInline):
    model = PrilohaReseni
    fields = ['timestamp', 'soubor', 'poznamka']
    readonly_fields = ['timestamp']
    formfield_overrides = {
        models.TextField: {'widget': forms.TextInput},
    }

    extra = 0

class ReseniKProblemuInline(admin.TabularInline):
    form = autocomplete_light.modelform_factory(Reseni, autocomplete_fields=['resitel'], fields=['resitel'])
    model = Reseni
    fields = ['resitel', 'forma', 'body', 'cislo_body', 'timestamp', 'poznamka']
    readonly_fields = ['timestamp']
    extra = 0
    formfield_overrides = {
        models.TextField: {'widget': forms.TextInput},
    }

    def get_queryset(self, request):
        qs = super(ReseniKProblemuInline, self).get_queryset(request)
        return qs.select_related('problem', 'cislo_body', 'resitel')

    # Potenciální DB HOG (cislo_body se dotazovalo na cisla pri kazdem zobrazeni jejich selectu ...)
    def formfield_for_dbfield(self, db_field, **kwargs):
        formfield = super(ReseniKProblemuInline, self).formfield_for_dbfield(db_field, **kwargs)
        if db_field.name == 'cislo_body':
            # dirty trick so queryset is evaluated and cached in .choices
            formfield.choices = formfield.choices
        return formfield


class ReseniKResiteliInline(admin.TabularInline):
    model = Reseni
    fields = ['problem', 'forma', 'body', 'cislo_body', 'timestamp', 'poznamka']
    readonly_fields = ['timestamp', 'problem']
    extra = 0
    formfield_overrides = {
        models.TextField: {'widget': forms.TextInput},
    }

    def has_add_permission(self, req): return False

    def get_queryset(self, request):
        qs = super(ReseniKResiteliInline, self).get_queryset(request)
        return qs.select_related('problem', 'cislo_body', 'resitel')

    # Potenciální DB HOG (cislo_body se dotazovalo na cisla pri kazdem zobrazeni jejich selectu ...)
    def formfield_for_dbfield(self, db_field, **kwargs):
        formfield = super(ReseniKResiteliInline, self).formfield_for_dbfield(db_field, **kwargs)
        if db_field.name == 'cislo_body':
            # dirty trick so queryset is evaluated and cached in .choices
            formfield.choices = formfield.choices
        return formfield


class Soustredeni_UcastniciInline(admin.TabularInline):
    form = autocomplete_light.modelform_factory(Soustredeni_Ucastnici, autocomplete_fields=['resitel'], fields=['resitel'])
    model = Soustredeni_Ucastnici
    fields = ['resitel', 'poznamka', ]
    extra = 0
    formfield_overrides = {
        models.TextField: {'widget': forms.TextInput},
    }

    def get_queryset(self, request):
        qs = super(Soustredeni_UcastniciInline, self).get_queryset(request)
        return qs.select_related('resitel', 'soustredeni')

### Resitel

class ResitelAdmin(reversion.VersionAdmin):
    form = autocomplete_light.modelform_factory(Resitel, autocomplete_fields=['skola'], fields=['skola'])
    fieldsets = [
        (None,              {'fields': ['jmeno', 'prijmeni', 'user']}),
        (u'Škola',          {'fields': ['skola', 'rok_maturity']}),
        (u'Seminář',        {'fields': ['datum_souhlasu_udaje', 'datum_souhlasu_zasilani', 'datum_prihlaseni', 'zasilat']}),
        (u'Osobní údaje',   {'fields': ['pohlavi_muz', 'datum_narozeni', 'email', 'telefon']}),
        (u'Adresa',         {'fields': ['ulice', 'mesto', 'psc', 'stat']}),
        ]
    list_display = ['jmeno', 'prijmeni', 'user', 'pohlavi_muz', 'skola', 'rok_maturity', 'pocet_reseni']
    list_filter = ['pohlavi_muz', 'rok_maturity', 'zasilat']
    search_fields = ['jmeno', 'prijmeni', 'ulice', 'mesto', 'email']
    inlines = [ReseniKResiteliInline]

    def get_queryset(self, request):
        qs = super(ResitelAdmin, self).get_queryset(request)
        return qs.select_related('skola', 'user').annotate(pocet_reseni=Count('reseni'))

    def pocet_reseni(self, obj):
        return obj.pocet_reseni


admin.site.register(Resitel, ResitelAdmin)


### Skola

class SkolaAdmin(reversion.VersionAdmin):
    fieldsets = [
        (None,              {'fields': ['nazev', 'kratky_nazev', 'je_zs', 'je_ss']}),
        (u'Interní ID',     {'fields': ['aesop_id', 'izo'], 'classes': ['collapse']}),
        (u'Adresa',         {'fields': ['ulice', 'mesto', 'psc', 'stat']}),
        (None,              {'fields': ['poznamka']}),
        ]
    list_display = ['nazev', 'aesop_id', 'mesto', 'ulice', 'stat', 'je_zs', 'je_ss']
    list_filter = ['stat', 'je_zs', 'je_ss']
    search_fields = ['nazev', 'mesto', 'ulice']
    inlines = [ResitelInline]

admin.site.register(Skola, SkolaAdmin)


### Cislo

class CisloAdmin(reversion.VersionAdmin):
    fieldsets = [
        (None,              {'fields': ['cislo', 'rocnik', 'verejne_db', 'verejna_vysledkovka', 'poznamka', 'pdf']}),
        (u'Data',           {'fields': ['datum_vydani', 'datum_deadline']}),
        ]
    list_display = ['kod', 'rocnik', 'cislo', 'datum_vydani', 'datum_deadline', 'verejne', 'verejna_vysledkovka']
    list_filter = ['rocnik']
    view_on_site = Cislo.verejne_url
    actions = [
            make_set_action('verejne_db', True, u'Zveřejnit číslo'),
            make_set_action('verejne_db', False, u'Skrýt (zneveřejnit) číslo'),
            make_set_action('verejna_vysledkovka', True, u'Zveřejnit výsledkovku'),
            make_set_action('verejna_vysledkovka', False, u'Skrýt (zneveřejnit) výsledkovku'),
            ]

    def get_queryset(self, request):
        qs = super(CisloAdmin, self).get_queryset(request)
        return qs.select_related('rocnik')

admin.site.register(Cislo, CisloAdmin)

### Rocnik

class RocnikAdmin(reversion.VersionAdmin):
    fieldsets = [
        (None,              {'fields': ['rocnik', 'prvni_rok', 'exportovat']}),
        ]
    list_display = ['rocnik', 'prvni_rok', 'exportovat', 'verejne']
    inlines = [CisloInline]
    view_on_site = Rocnik.verejne_url
    actions = [
            make_set_action('exportovat', True, u'Nastavit pro AESOP export'),
            make_set_action('exportovat', False, u'Skrýt pro AESOP export'),
            ]

admin.site.register(Rocnik, RocnikAdmin)


### PrilohaReseni
# NOTE: Nemá pravděpodobně smysl používat
# class PrilohaReseniAdmin(reversion.VersionAdmin):
#     readonly_fields = ['timestamp', 'reseni']
#     fieldsets = [
#         (None,              {'fields': ['reseni', 'soubor', 'timestamp']}),
#         (u'Poznámky',       {'fields': ['poznamka']}),
#         ]
#     list_display = ['reseni', 'soubor', 'timestamp']
#     list_filter = ['reseni', 'timestamp']
#     search_fields = []
# 
# admin.site.register(PrilohaReseni, PrilohaReseniAdmin)


### Reseni

class ReseniAdmin(reversion.VersionAdmin):
    form = autocomplete_light.modelform_factory(Reseni, autocomplete_fields=['problem', 'resitel'], fields=['problem', 'resitel'])
    fieldsets = [
        (None,              {'fields': ['problem', 'resitel', 'forma', 'body', 'cislo_body', 'timestamp']}),
        (u'Poznámky',       {'fields': ['poznamka']}),
        ]
    readonly_fields = ['timestamp']
    list_display = ['problem', 'resitel', 'forma', 'body', 'timestamp', 'cislo_body']
    list_filter = ['body', 'timestamp', 'forma']
    search_fields = []
    inlines = [PrilohaReseniInline]

    def get_queryset(self, request):
        qs = super(ReseniAdmin, self).get_queryset(request)
        return qs.select_related('resitel', 'problem', 'cislo_body')

admin.site.register(Reseni, ReseniAdmin)


### Problem

from autocomplete_light.contrib.taggit_field import TaggitField, TaggitWidget

#TODO: Autocomplete autor/opravovatel

class ProblemAdminForm(forms.ModelForm):
    text_zadani = forms.CharField(widget=CKEditorWidget(), required=False, **field_labels(Problem, 'text_zadani'))
    text_reseni = forms.CharField(widget=CKEditorWidget(), required=False, **field_labels(Problem, 'text_reseni'))
    text_org = forms.CharField(widget=CKEditorWidget(), required=False, **field_labels(Problem, 'text_org'))
    zamereni = TaggitField(widget=TaggitWidget('TagAutocomplete'), required=False)
    class Meta:
        model = Problem
        exclude = []

class ProblemAdmin(reversion.VersionAdmin):
    form = ProblemAdminForm
    fieldsets = [
        (None,              {'fields': ['nazev', 'typ', 'stav', 'autor', 'zamereni', 'body', 'timestamp', 'import_dakos_id']}),
        (u'Vydání',         {'fields': ['cislo_zadani', 'kod', 'cislo_reseni', 'opravovatel',]}),
        (None,              {'fields': ['text_zadani', 'text_reseni', 'text_org',]}),
        ]
    readonly_fields = ['timestamp', 'import_dakos_id']
    list_select_related = True
    search_fields = ['nazev', 'text_zadani', 'text_reseni', 'text_org']
    view_on_site = Problem.verejne_url

    def get_queryset(self, request):
        qs = super(ProblemAdmin, self).get_queryset(request)
        return qs.select_related('autor', 'opravovatel', 'cislo_zadani', 'cislo_reseni')

    def pocet_reseni(self, obj):
        return obj.pocet_reseni

@predvypln_prihlaseneho('autor')
class ProblemNavrhAdmin(ProblemAdmin):
    list_display = ['nazev', 'typ', 'zamereni', 'stav', 'autor', 'timestamp']
    list_filter = ['typ', 'zamereni', 'timestamp', 'stav']

    def get_queryset(self, request):
        qs = super(ProblemNavrhAdmin, self).get_queryset(request)
        return qs.filter(stav__in=[Problem.STAV_NAVRH, Problem.STAV_SMAZANY])

create_modeladmin(ProblemNavrhAdmin, Problem, 'ProblemNavrh', verbose_name=u'Problém (návrh)', verbose_name_plural=u'Problémy (návrhy)')

@predvypln_prihlaseneho('autor')
class ProblemZadanyAdmin(ProblemAdmin):
    list_display = ['nazev', 'typ', 'autor', 'opravovatel', 'kod', 'cislo_zadani', 'pocet_reseni', 'verejne']
    list_filter = ['typ', 'cislo_zadani__cislo', 'cislo_zadani__rocnik']
    inlines = [ReseniKProblemuInline]

    def get_queryset(self, request):
        qs = super(ProblemZadanyAdmin, self).get_queryset(request)
        return qs.filter(stav=Problem.STAV_ZADANY).annotate(pocet_reseni=Count('reseni'))

create_modeladmin(ProblemZadanyAdmin, Problem, 'ProblemZadany', verbose_name=u'Problém (zadaný)', verbose_name_plural=u'Problémy (zadané)')

#admin.site.register(Problem, ProblemAdmin)

### Soustredeni

class SoustredeniAdminForm(forms.ModelForm):
    text = forms.CharField(widget=CKEditorWidget(), required=False, **field_labels(Soustredeni, 'text'))
    class Meta:
        model = Soustredeni
        exclude = []

class SoustredeniAdmin(reversion.VersionAdmin):
    form = SoustredeniAdminForm
    fieldsets = [
        (None,              {'fields': ['rocnik', 'misto', 'typ', 'verejne_db', 'exportovat', 'text']}),
        (u'Data',           {'fields': ['datum_zacatku', 'datum_konce']}),
        ]
    list_display = ['rocnik', 'misto', 'datum_zacatku', 'typ', 'exportovat', 'verejne']
    inlines = [Soustredeni_UcastniciInline]
    list_filter = ['typ', 'rocnik']
    view_on_site = Soustredeni.verejne_url
    actions = [
            make_set_action('verejne_db', True, u'Zveřejnit soustředění'),
            make_set_action('verejne_db', False, u'Skrýt (zneveřejnit) soustředění'),
            make_set_action('exportovat', True, u'Nastavit pro AESOP export'),
            make_set_action('exportovat', False, u'Skrýt pro AESOP export'),
            ]

admin.site.register(Soustredeni, SoustredeniAdmin)

### Novinky

class NovinkyAdminForm(forms.ModelForm):
    text = forms.CharField(widget=CKEditorWidget(), required=False,
            **field_labels(Novinky, 'text'))
    class Meta:
        model = Novinky
        exclude = []

def zverejnit_novinky(modeladmin, request, queryset):
    ''' zverejni vybrane novinky '''
    for novinka in queryset:
        novinka.zverejneno = True
        novinka.save()
    zverejnit_novinky.short_description = 'Zveřejnit vybané novinky'

def zneverejnit_novinky(modeladmin, request, queryset):
    ''' zneverejni vybrane novinky'''
    for novinka in queryset:
        novinka.zverejneno = False
        novinka.save()
    zneverejnit_novinky.short_description = 'Zneveřejnit vybrané novinky'


@predvypln_prihlaseneho('autor')
class NovinkyAdmin(admin.ModelAdmin):
    form = NovinkyAdminForm
    list_display = ['datum', 'autor', 'text', 'zverejneno', 'obrazek']
    actions = [zverejnit_novinky, zneverejnit_novinky]


admin.site.register(Novinky, NovinkyAdmin)

### Organizator

def jmeno_organizatora(obj):
    ''' vraci jmeno organizatora '''
    jmeno = obj.user.first_name
    if obj.prezdivka:
        jmeno = jmeno + ' "' + obj.prezdivka + '"'
    jmeno = jmeno + ' ' + obj.user.last_name
    if jmeno == ' ': # zobrazeni bezejmennych orgu
        return 'org'
    return jmeno
jmeno_organizatora.short_description = 'Jméno organizátora'

def je_organizator_aktivni(obj):
    ''' zjisti, zda-li je organizator aktivni '''
    return obj.user.is_active
je_organizator_aktivni.short_description = 'Aktivní'
je_organizator_aktivni.boolean = True

def zaktivovat_organizatory(modeladmin, request, queryset):
    ''' vybrane organizatory oznaci jako aktivni '''
    for org in queryset:
        org.user.is_active = True
        org.user.save()
zaktivovat_organizatory.short_description = 'Zaktivovat organizátory'

def deaktivovat_organizatory(modeladmin, request, queryset):
    ''' deaktivuje vybrane organizatory '''
    for org in queryset:
        org.user.is_active = False
        org.user.save()
deaktivovat_organizatory.short_description = 'Deaktivovat organizátory'


@admin.register(Organizator)
class OrganizatorAdmin(admin.ModelAdmin):
    list_filter = ['organizuje_do_roku']
    list_display = [jmeno_organizatora, je_organizator_aktivni,]
    actions = [zaktivovat_organizatory, deaktivovat_organizatory,]