{"id":1854,"date":"2021-03-15T18:25:57","date_gmt":"2021-03-15T09:25:57","guid":{"rendered":"https:\/\/nobunobu1717.site\/?p=1854"},"modified":"2021-03-15T18:25:57","modified_gmt":"2021-03-15T09:25:57","slug":"post-1854","status":"publish","type":"post","link":"https:\/\/nobunobu1717.site\/?p=1854","title":{"rendered":"\u3010Python\u3011Django\u3067ModelForm\u304b\u3089\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u6642\u306bpk\u3092\u53d6\u308a\u51fa\u3059"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>Django\u3067\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u3092\u3055\u305b\u308b\u969b\u306b\u3001\u5165\u529b\u3055\u308c\u305f\u5024\u306b\u3088\u308b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u5225\u306b\u3001DB\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u91cd\u8907\u30c7\u30fc\u30bf\u304c\u7121\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u4e8b\u306a\u3069\u304c\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u65b0\u898f\u30c7\u30fc\u30bf\u306e\u5834\u5408\u306b\u306f\u3001\u6c17\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u66f4\u65b0\u30c7\u30fc\u30bf\u306e\u5834\u5408\u306b\u306fDB\u304b\u3089\u5024\u3092\u53d6\u308a\u51fa\u3059\u969b\u306b\u81ea\u5206\u81ea\u8eab\u306e\u30c7\u30fc\u30bf\u306f\u9664\u5916\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\uff08\u30b1\u30fc\u30b9\u306b\u3088\u308a\u307e\u3059\uff09<\/p>\n<p>\u305d\u306e\u969b\u306b\u306f\u3001\u65e2\u5b58\u30c7\u30fc\u30bf\u306e\u4e3b\u30ad\u30fc\u3068\u306a\u308bpk\u3092\u53d6\u308a\u51fa\u3057\u3066\u30af\u30a8\u30ea\u306b\u6e21\u3055\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002<br \/>\n\u305d\u306e\u969b\u306epk\u306e\u53d6\u5f97\u65b9\u6cd5\u306e\u30e1\u30e2\u3067\u3059\u3002<br \/>\n\n\t<p style=\"color:#666;margin-bottom:5px;\">\u30b9\u30dd\u30f3\u30b5\u30fc\u30ea\u30f3\u30af<\/p>\n\t<div class=\"middle-ad\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n<\/p>\n<h2>\u65b9\u6cd5<\/h2>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306a\u958b\u59cb\u65e5\u6642\u3068\u7d42\u4e86\u65e5\u6642\u3092\u30c7\u30fc\u30bf\u3068\u3057\u3066\u6301\u3064Model\u3092\u4f8b\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n\u4e0b\u8a18\u306eModel\u306b\u306fget_ranges\u3068\u3044\u3063\u305f\u3001\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u6642\u523b\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u51fa\u3059\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br \/>\n\u5f15\u6570\u306b\u306fpk\u3067\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u306f\u9664\u5916\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \" >class WeeklyScheduleModel(models.Model):\r\n    start_time = models.TimeField()\r\n    end_time = models.TimeField()\r\n\r\n    @classmethod\r\n    def get_ranges(cls, pk, start_time, end_time):\r\n        return WeeklyScheduleModel.objects.filter(start_time__gte=start_time, end_time__lte=end_time).exclude(pk=pk)\r\n\r\n<\/pre>\n<p>\u4e0a\u8a18\u306e\u30e2\u30c7\u30eb\u306b\u5bfe\u5fdc\u3059\u308bModelForm\u3092\u7d99\u627f\u3057\u305f\u30d5\u30a9\u30fc\u30e0\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br \/>\nclean\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u4e8b\u3067\u3001\u72ec\u81ea\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<br \/>\ncleaned_data\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u304c\u3001pk\u306b\u95a2\u3057\u3066\u306finstance.pk\u304b\u3089\u53d6\u5f97\u3002<\/p>\n<pre class=\"lang:default decode:true \" >class WeeklyScheduleModelForm(forms.ModelForm):\r\n    class Meta:\r\n        model = models.WeeklyScheduleModel\r\n        fields = { 'start_time', 'end_time'}\r\n\r\n    def clean(self):\r\n        start_time = self.cleaned_data['start_time']\r\n        end_time = self.cleaned_data['end_time']\r\n\r\n        if start_time &gt;= end_time:\r\n            raise forms.ValidationError(\"\u958b\u59cb\u65e5\u6642\u306f\u7d42\u4e86\u65e5\u6642\u3088\u308a\u904e\u53bb\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\")\r\n\r\n        ranges = models.WeeklyScheduleModel.get_ranges(self.instance.pk, start_time, end_time)\r\n        if ranges.count() &gt; 0:\r\n            raise forms.ValidationError(\"\u91cd\u8907\u3057\u305f\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\")\r\n\r\n        return self.cleaned_data\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Django\u3067\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u3092\u3055\u305b\u308b\u969b\u306b\u3001\u5165\u529b\u3055\u308c\u305f\u5024\u306b\u3088\u308b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u5225\u306b\u3001DB\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u91cd\u8907\u30c7\u30fc\u30bf\u304c\u7121\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u4e8b\u306a\u3069\u304c\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002 \u65b0\u898f\u30c7\u30fc\u30bf\u306e\u5834\u5408\u306b\u306f\u3001\u6c17\u306b\u3059\u308b\u5fc5\u8981\u304c &#8230; <\/p>\n","protected":false},"author":1,"featured_media":1361,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[34],"tags":[],"_links":{"self":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts\/1854"}],"collection":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1854"}],"version-history":[{"count":3,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts\/1854\/revisions"}],"predecessor-version":[{"id":1860,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts\/1854\/revisions\/1860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/media\/1361"}],"wp:attachment":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}