WIP: Partial requests

client/src/app/core/repositories/assignments/assignment-option-repository.service.ts

@@ -22,6 +22,12 @@ const AssignmentOptionRelations: RelationDefinition[] = [
         ownKey: 'votes',
         foreignViewModel: ViewAssignmentVote
     },
+    {
+        type: 'M2M',
+        ownIdKey: 'voted_id',
+        ownKey: 'voted',
+        foreignViewModel: ViewUser
+    },
     {
         type: 'M2O',
         ownIdKey: 'poll_id',

client/src/app/core/repositories/assignments/assignment-poll-repository.service.ts

@@ -14,7 +14,6 @@ import { ViewAssignmentOption } from 'app/site/assignments/models/view-assignmen
 import { AssignmentPollTitleInformation, ViewAssignmentPoll } from 'app/site/assignments/models/view-assignment-poll';
 import { BasePollRepositoryService } from 'app/site/polls/services/base-poll-repository.service';
 import { ViewGroup } from 'app/site/users/models/view-group';
-import { ViewUser } from 'app/site/users/models/view-user';
 import { CollectionStringMapperService } from '../../core-services/collection-string-mapper.service';
 import { DataStoreService } from '../../core-services/data-store.service';
 
@@ -25,12 +24,6 @@ const AssignmentPollRelations: RelationDefinition[] = [
         ownKey: 'groups',
         foreignViewModel: ViewGroup
     },
-    {
-        type: 'M2M',
-        ownIdKey: 'voted_id',
-        ownKey: 'voted',
-        foreignViewModel: ViewUser
-    },
     {
         type: 'O2M',
         ownIdKey: 'options_id',

client/src/app/core/repositories/motions/motion-option-repository.service.ts

@@ -10,6 +10,7 @@ import { MotionOption } from 'app/shared/models/motions/motion-option';
 import { ViewMotionOption } from 'app/site/motions/models/view-motion-option';
 import { ViewMotionPoll } from 'app/site/motions/models/view-motion-poll';
 import { ViewMotionVote } from 'app/site/motions/models/view-motion-vote';
+import { ViewUser } from 'app/site/users/models/view-user';
 import { BaseRepository } from '../base-repository';
 import { CollectionStringMapperService } from '../../core-services/collection-string-mapper.service';
 import { DataStoreService } from '../../core-services/data-store.service';
@@ -21,6 +22,12 @@ const MotionOptionRelations: RelationDefinition[] = [
         ownKey: 'votes',
         foreignViewModel: ViewMotionVote
     },
+    {
+        type: 'M2M',
+        ownIdKey: 'voted_id',
+        ownKey: 'voted',
+        foreignViewModel: ViewUser
+    },
     {
         type: 'M2O',
         ownIdKey: 'poll_id',

client/src/app/core/repositories/motions/motion-poll-repository.service.ts

@@ -14,7 +14,6 @@ import { ViewMotionOption } from 'app/site/motions/models/view-motion-option';
 import { MotionPollTitleInformation, ViewMotionPoll } from 'app/site/motions/models/view-motion-poll';
 import { BasePollRepositoryService } from 'app/site/polls/services/base-poll-repository.service';
 import { ViewGroup } from 'app/site/users/models/view-group';
-import { ViewUser } from 'app/site/users/models/view-user';
 import { CollectionStringMapperService } from '../../core-services/collection-string-mapper.service';
 import { DataStoreService } from '../../core-services/data-store.service';
 
@@ -25,12 +24,6 @@ const MotionPollRelations: RelationDefinition[] = [
         ownKey: 'groups',
         foreignViewModel: ViewGroup
     },
-    {
-        type: 'M2M',
-        ownIdKey: 'voted_id',
-        ownKey: 'voted',
-        foreignViewModel: ViewUser
-    },
     {
         type: 'O2M',
         ownIdKey: 'options_id',

client/src/app/core/ui-services/voting-banner.service.ts

@@ -31,7 +31,7 @@ export class VotingBannerService {
      */
     private checkForVotablePolls(polls: ViewBasePoll[]): void {
         // display no banner if in history mode or there are no polls to vote
-        const pollsToVote = polls.filter(poll => this.votingService.canVote(poll) && !poll.user_has_voted);
+        const pollsToVote = polls.filter(poll => this.votingService.canVote(poll) && !poll.user_has_voted_valid);
         if ((this.OSStatus.isInHistoryMode && this.currentBanner) || !pollsToVote.length) {
             this.sliceBanner();
             return;

client/src/app/core/ui-services/voting.service.ts

@@ -10,7 +10,7 @@ export enum VotingError {
     USER_HAS_NO_PERMISSION,
     USER_IS_ANONYMOUS,
     USER_NOT_PRESENT,
-    USER_HAS_VOTED
+    USER_HAS_VOTED_VALID
 }
 
 /**
@@ -60,8 +60,8 @@ export class VotingService {
         if (!user.is_present) {
             return VotingError.USER_NOT_PRESENT;
         }
-        if (poll.type === PollType.Pseudoanonymous && poll.user_has_voted) {
+        if (poll.type === PollType.Pseudoanonymous && poll.user_has_voted_valid) {
-            return VotingError.USER_HAS_VOTED;
+            return VotingError.USER_HAS_VOTED_VALID;
         }
     }
 

client/src/app/shared/models/poll/base-option.ts

@@ -6,6 +6,8 @@ export abstract class BaseOption<T> extends BaseDecimalModel<T> {
     public no: number;
     public abstain: number;
     public poll_id: number;
+    public user_has_voted: boolean;
+    public voted_id: number[];
 
     protected getDecimalFields(): (keyof BaseOption<T>)[] {
         return ['yes', 'no', 'abstain'];

client/src/app/shared/models/poll/base-poll.ts

@@ -46,10 +46,8 @@ export abstract class BasePoll<T = any, O extends BaseOption<any> = any> extends
     public votesinvalid: number;
     public votescast: number;
     public groups_id: number[];
-    public voted_id: number[];
     public majority_method: MajorityMethod;
     public onehundred_percent_base: PercentBase;
-    public user_has_voted: boolean;
 
     public get isCreated(): boolean {
         return this.state === PollState.Created;

client/src/app/site/assignments/components/assignment-poll-vote/assignment-poll-vote.component.html

@@ -5,6 +5,12 @@
     </div>
 
     <ng-container *ngIf="vmanager.canVote(poll)">
+
+        <!-- TODO: Someone should make this pretty -->
+        <span *ngIf="poll.user_has_voted_valid">Your vote is valid!</span>
+        <span *ngIf="poll.user_has_voted_invalid">DANGER: Your vote is invalid!</span>
+        <span *ngIf="poll.user_has_not_voted">You have not give any voting here!</span>
+
         <!-- Leftover votes -->
         <h4 *ngIf="poll.pollmethod === pollMethods.Votes">
             {{ 'Votes for this poll' | translate }}: {{ poll.votes_amount }}
@@ -13,6 +19,9 @@
 
         <!-- Options and Actions -->
         <div *ngFor="let option of poll.options; let i = index">
+            <div *ngIf="option.user_has_voted">
+                TODO: DO not show buttons, becuase, the user has already voted for this one
+            </div>
             <div
                 [ngClass]="{
                     'yna-grid': poll.pollmethod === pollMethods.YNA,

client/src/app/site/assignments/components/assignment-poll-vote/assignment-poll-vote.component.ts

@@ -112,21 +112,28 @@ export class AssignmentPollVoteComponent extends BasePollVoteComponent<ViewAssig
     }
 
     public saveSingleVote(optionId: number, vote: 'Y' | 'N' | 'A'): void {
+        let requestData;
+        if (this.poll.pollmethod === AssignmentPollMethods.Votes) {
             const pollOptionIds = this.getPollOptionIds();
-        const requestMap = pollOptionIds.reduce((o, n) => {
+            requestData = pollOptionIds.reduce((o, n) => {
                 if ((n === optionId && vote === 'Y') !== (this.currentVotes[n] === 'Yes')) {
-                o[n] = 1;
+                    o[n] = 1; // TODO: allow multiple votes per candidate
                 } else {
                     o[n] = 0;
                 }
-
                 return o;
             }, {});
-
+        } else {
-        this.pollRepo.vote(JSON.stringify(requestMap), this.poll.id).catch(this.raiseError);
+            // YN/YNA
+            requestData = {};
+            requestData[optionId] = vote;
+        }
+        this.pollRepo.vote(requestData, this.poll.id).catch(this.raiseError);
     }
 
     public saveGlobalVote(globalVote: 'N' | 'A'): void {
+        // This may be a bug in angulars HTTP client: A string is not quoted to be valid json.
+        // Maybe they expect a string to be alrady a jsonified object.
         this.pollRepo.vote(`"${globalVote}"`, this.poll.id).catch(this.raiseError);
     }
 }

client/src/app/site/polls/components/poll-list/poll-list.component.html

@@ -28,8 +28,8 @@
         <span>{{ poll.stateVerbose }}</span>
     </div>
     <div *pblNgridCellDef="'votability'; row as poll;" class="cell-slot fill">
-        <mat-icon *ngIf="poll.user_has_voted" color="accent" matTooltip="{{ 'You have already voted on this poll. Good job!' | translate }}">check_circle</mat-icon>
+        <mat-icon *ngIf="poll.user_has_voted_valid" color="accent" matTooltip="{{ 'You have already voted on this poll. Good job!' | translate }}">check_circle</mat-icon>
-        <mat-icon *ngIf="!poll.user_has_voted && poll.canBeVotedFor" color="warn" matTooltip="{{ 'You still have to vote on this poll.' | translate }}">warning</mat-icon>
+        <mat-icon *ngIf="!poll.user_has_voted_valid && poll.canBeVotedFor" color="warn" matTooltip="{{ 'You still have to vote on this poll.' | translate }}">warning</mat-icon>
     </div>
 </os-list-view-table>
 

client/src/app/site/polls/components/poll-progress/poll-progress.component.html

@@ -1,3 +1,7 @@
-<span> {{ 'Cast votes' }}: {{ poll.voted_id.length }} / {{ max }} </span>
+<span>
+    {{ 'Casted votes' | translate }}: {{ poll.votescast }} / {{ max }},
+    {{ 'valid votes' | translate}}: {{ poll.votesvalid }} / {{ max }},
+    {{ 'invalid votes' | translate}}: {{ poll.votesinvalid }} / {{ max }}
+</span>
 
 <mat-progress-bar class="voting-progress-bar" [value]="valueInPercent"></mat-progress-bar>

client/src/app/site/polls/components/poll-progress/poll-progress.component.ts

@@ -30,7 +30,7 @@ export class PollProgressComponent extends BaseViewComponent implements OnInit {
     }
 
     public get valueInPercent(): number {
-        return (this.poll.voted_id.length / this.max) * 100;
+        return (this.poll.votesvalid / this.max) * 100;
     }
 
     /**

client/src/app/site/polls/models/view-base-poll.ts

@@ -138,6 +138,18 @@ export abstract class ViewBasePoll<M extends BasePoll<M, any> = any> extends Bas
         return states;
     }
 
+    public get user_has_voted_invalid(): boolean {
+        return this.options.some(option => option.user_has_voted) && !this.user_has_voted_valid;
+    }
+
+    public get user_has_voted_valid(): boolean {
+        return this.options.every(option => option.user_has_voted);
+    }
+
+    public get user_has_not_voted(): boolean {
+        return this.options.every(option => !option.user_has_voted);
+    }
+
     public abstract getSlide(): ProjectorElementBuildDeskriptor;
 
     public abstract getContentObject(): BaseViewModel;

openslides/assignments/migrations/0008_voting_1.py

@@ -87,11 +87,6 @@ class Migration(migrations.Migration):
                 to=settings.AUTH_USER_MODEL,
             ),
         ),
-        migrations.AddField(
-            model_name="assignmentpoll",
-            name="voted",
-            field=models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL),
-        ),
         migrations.AddField(
             model_name="assignmentpoll",
             name="allow_multiple_votes_per_candidate",
@@ -134,11 +129,38 @@ class Migration(migrations.Migration):
             name="number_poll_candidates",
             field=models.BooleanField(default=False),
         ),
+        migrations.AddField(
+            model_name="assignmentoption",
+            name="voted",
+            field=models.ManyToManyField(
+                blank=True,
+                to=settings.AUTH_USER_MODEL,
+                related_name="assignmentoption_voted",
+            ),
+        ),
         migrations.AlterField(
             model_name="assignment",
             name="poll_description_default",
             field=models.CharField(blank=True, max_length=255),
         ),
+        migrations.AlterField(
+            model_name="assignmentoption",
+            name="poll",
+            field=models.ForeignKey(
+                on_delete=openslides.utils.models.CASCADE_AND_AUTOUPDATE,
+                related_name="options",
+                to="assignments.AssignmentPoll",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="assignmentvote",
+            name="option",
+            field=models.ForeignKey(
+                on_delete=openslides.utils.models.CASCADE_AND_AUTOUPDATE,
+                related_name="votes",
+                to="assignments.AssignmentOption",
+            ),
+        ),
         migrations.RenameField(
             model_name="assignment",
             old_name="poll_description_default",
@@ -166,6 +188,15 @@ class Migration(migrations.Migration):
                 validators=[django.core.validators.MinValueValidator(Decimal("-2"))],
             ),
         ),
+        migrations.AlterField(
+            model_name="assignmentpoll",
+            name="assignment",
+            field=models.ForeignKey(
+                on_delete=openslides.utils.models.CASCADE_AND_AUTOUPDATE,
+                related_name="polls",
+                to="assignments.Assignment",
+            ),
+        ),
         migrations.RenameField(
             model_name="assignmentpoll", old_name="votescast", new_name="db_votescast"
         ),

openslides/assignments/models.py

@@ -267,7 +267,7 @@ class AssignmentVote(RESTModelMixin, BaseVote):
     objects = AssignmentVoteManager()
 
     option = models.ForeignKey(
-        "AssignmentOption", on_delete=models.CASCADE, related_name="votes"
+        "AssignmentOption", on_delete=CASCADE_AND_AUTOUPDATE, related_name="votes"
     )
 
     class Meta:
@@ -279,11 +279,14 @@ class AssignmentOption(RESTModelMixin, BaseOption):
     vote_class = AssignmentVote
 
     poll = models.ForeignKey(
-        "AssignmentPoll", on_delete=models.CASCADE, related_name="options"
+        "AssignmentPoll", on_delete=CASCADE_AND_AUTOUPDATE, related_name="options"
     )
     user = models.ForeignKey(
         settings.AUTH_USER_MODEL, on_delete=SET_NULL_AND_AUTOUPDATE, null=True
     )
+    voted = models.ManyToManyField(
+        settings.AUTH_USER_MODEL, blank=True, related_name="assignmentoption_voted"
+    )
     weight = models.IntegerField(default=0)
 
     class Meta:
@@ -304,9 +307,7 @@ class AssignmentPollManager(BaseManager):
             super()
             .get_prefetched_queryset(*args, **kwargs)
             .select_related("assignment")
-            .prefetch_related(
+            .prefetch_related("options", "options__user", "options__votes", "groups")
-                "options", "options__user", "options__votes", "groups", "voted"
-            )
         )
 
 
@@ -317,7 +318,7 @@ class AssignmentPoll(RESTModelMixin, BasePoll):
     option_class = AssignmentOption
 
     assignment = models.ForeignKey(
-        Assignment, on_delete=models.CASCADE, related_name="polls"
+        Assignment, on_delete=CASCADE_AND_AUTOUPDATE, related_name="polls"
     )
 
     description = models.CharField(max_length=255, blank=True)

openslides/assignments/views.py

@@ -403,11 +403,10 @@ class AssignmentPollViewSet(BasePollViewSet):
                 - amounts must be integer numbers >= 0.
                 - ids should be integers of valid option ids for this poll
                 - amounts must be 0 or 1, if poll.allow_multiple_votes_per_candidate is False
-                - The sum of all amounts must be poll.votes_amount votes
+                - The sum of all amounts must be grater then 0 and <= poll.votes_amount
 
             YN/YNA:
                 {<option_id>: 'Y' | 'N' [|'A']}
-                - all option_ids must be given   TODO: No it must not be that way. Single Votes have to be accepted
                 - 'A' is only allowed in YNA pollmethod
 
         Votes for all options have to be given
@@ -474,6 +473,11 @@ class AssignmentPollViewSet(BasePollViewSet):
                             )
                         amount_sum += amount
 
+                    if amount_sum <= 0:
+                        raise ValidationError(
+                            {"detail": "You must give at least one vote"}
+                        )
+
                     if amount_sum > poll.votes_amount:
                         raise ValidationError(
                             {
@@ -501,15 +505,25 @@ class AssignmentPollViewSet(BasePollViewSet):
                         poll.pollmethod == AssignmentPoll.POLLMETHOD_YNA
                         and value not in ("Y", "N", "A",)
                     ):
-                        raise ValidationError("Every value must be Y, N or A")
+                        raise ValidationError(
+                            {"detail": "Every value must be Y, N or A"}
+                        )
                     elif (
                         poll.pollmethod == AssignmentPoll.POLLMETHOD_YN
                         and value not in ("Y", "N",)
                     ):
-                        raise ValidationError("Every value must be Y or N")
+                        raise ValidationError({"detail": "Every value must be Y or N"})
 
             options_data = data
 
+        # Just for named/pseudoanonymous with YN/YNA skip the all-options-given check
+        if poll.type not in (
+            AssignmentPoll.TYPE_NAMED,
+            AssignmentPoll.TYPE_PSEUDOANONYMOUS,
+        ) or poll.pollmethod not in (
+            AssignmentPoll.POLLMETHOD_YN,
+            AssignmentPoll.POLLMETHOD_YNA,
+        ):
             # Check if all options were given
             db_option_ids = set(option.id for option in poll.get_options())
             data_option_ids = set(int(option_id) for option_id in options_data.keys())
@@ -518,51 +532,91 @@ class AssignmentPollViewSet(BasePollViewSet):
                     {"error": "You have to provide values for all options"}
                 )
 
-    def create_votes(self, data, poll, user=None):
+    def create_votes_type_votes(self, data, poll, user):
         """
         Helper function for handle_(named|pseudoanonymous)_vote
         Assumes data is already validated
         """
         options = poll.get_options()
-        if poll.pollmethod == AssignmentPoll.POLLMETHOD_VOTES:
         if isinstance(data, dict):
             for option_id, amount in data.items():
-                    # skip empty votes
+                # Add user to the option's voted array
+                option = options.get(pk=option_id)
+                option.voted.add(user)
+                inform_changed_data(option)
+
+                # skip creating votes with empty weights
                 if amount == 0:
                     continue
-                    option = options.get(pk=option_id)
                 vote = AssignmentVote.objects.create(
                     option=option, user=user, weight=Decimal(amount), value="Y"
                 )
                 inform_changed_data(vote, no_delete_on_restriction=True)
         else:  # global_no or global_abstain
-                option = options.first()
+            option = options.order_by(
+                "pk"
+            ).first()  # order by is important to always get
+            # the correct "first" option
+            option.voted.add(user)
+            inform_changed_data(option)
             vote = AssignmentVote.objects.create(
-                    option=option,
+                option=option, user=user, weight=Decimal(poll.votes_amount), value=data,
-                    user=user,
-                    weight=Decimal(poll.votes_amount),
-                    value=data,
             )
             inform_changed_data(vote, no_delete_on_restriction=True)
-        elif poll.pollmethod in (
+
-            AssignmentPoll.POLLMETHOD_YN,
+    def create_votes_type_named_pseudoanonymous(
-            AssignmentPoll.POLLMETHOD_YNA,
+        self, data, poll, check_user, vote_user
     ):
+        """ check_user is used for the voted-array, vote_user is the one put into the vote """
+        options = poll.get_options()
         for option_id, result in data.items():
             option = options.get(pk=option_id)
+            option.voted.add(check_user)
+            inform_changed_data(option)
             vote = AssignmentVote.objects.create(
-                    option=option, user=user, value=result
+                option=option, user=vote_user, value=result
             )
             inform_changed_data(vote, no_delete_on_restriction=True)
 
     def handle_named_vote(self, data, poll, user):
+        if poll.pollmethod == AssignmentPoll.POLLMETHOD_VOTES:
             # Instead of reusing all existing votes for the user, delete all previous votes
             for vote in poll.get_votes().filter(user=user):
                 vote.delete()
-        self.create_votes(data, poll, user)
+            self.create_votes_type_votes(data, poll, user)
+        elif poll.pollmethod in (
+            AssignmentPoll.POLLMETHOD_YN,
+            AssignmentPoll.POLLMETHOD_YNA,
+        ):
+            # Delete all votes for the given options
+            option_ids = list(data.keys())
+            for vote in AssignmentVote.objects.filter(
+                user=user, option_id__in=option_ids
+            ):
+                vote.delete()
+            self.create_votes_type_named_pseudoanonymous(data, poll, user, user)
 
-    def handle_pseudoanonymous_vote(self, data, poll):
+    def handle_pseudoanonymous_vote(self, data, poll, user):
-        self.create_votes(data, poll)
+        if poll.pollmethod == AssignmentPoll.POLLMETHOD_VOTES:
+            # check if the user has already voted
+            for option in poll.get_options():
+                if user in option.voted.all():
+                    raise ValidationError({"detail": "You have already voted"})
+            self.create_votes_type_votes(data, poll, user)
+
+        elif poll.pollmethod in (
+            AssignmentPoll.POLLMETHOD_YN,
+            AssignmentPoll.POLLMETHOD_YNA,
+        ):
+            # Ensure, that the user has not voted any of the given options yet.
+            options = poll.get_options()
+            for option_id in data.keys():
+                option = options.get(pk=option_id)
+                if user in option.voted.all():
+                    raise ValidationError(
+                        {"detail": f"You have already voted for option {option.pk}"}
+                    )
+            self.create_votes_type_named_pseudoanonymous(data, poll, user, None)
 
     def convert_option_data(self, poll, data):
         poll_options = poll.get_options()

openslides/motions/migrations/0033_voting_1.py

@@ -76,11 +76,6 @@ class Migration(migrations.Migration):
             ),
             preserve_default=False,
         ),
-        migrations.AddField(
-            model_name="motionpoll",
-            name="voted",
-            field=models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL),
-        ),
         migrations.AddField(
             model_name="motionpoll",
             name="majority_method",
@@ -112,11 +107,20 @@ class Migration(migrations.Migration):
             ),
             preserve_default=False,
         ),
+        migrations.AddField(
+            model_name="motionoption",
+            name="voted",
+            field=models.ManyToManyField(
+                blank=True,
+                to=settings.AUTH_USER_MODEL,
+                related_name="motionoption_voted",
+            ),
+        ),
         migrations.AlterField(
             model_name="motionvote",
             name="option",
             field=models.ForeignKey(
-                on_delete=django.db.models.deletion.CASCADE,
+                on_delete=openslides.utils.models.CASCADE_AND_AUTOUPDATE,
                 related_name="votes",
                 to="motions.MotionOption",
             ),
@@ -142,11 +146,20 @@ class Migration(migrations.Migration):
             model_name="motionoption",
             name="poll",
             field=models.ForeignKey(
-                on_delete=django.db.models.deletion.CASCADE,
+                on_delete=openslides.utils.models.CASCADE_AND_AUTOUPDATE,
                 related_name="options",
                 to="motions.MotionPoll",
             ),
         ),
+        migrations.AlterField(
+            model_name="motionpoll",
+            name="motion",
+            field=models.ForeignKey(
+                on_delete=openslides.utils.models.CASCADE_AND_AUTOUPDATE,
+                related_name="polls",
+                to="motions.Motion",
+            ),
+        ),
         migrations.RenameField(
             model_name="motionpoll", old_name="votescast", new_name="db_votescast"
         ),

openslides/motions/models.py

@@ -873,7 +873,7 @@ class MotionVoteManager(BaseManager):
 class MotionVote(RESTModelMixin, BaseVote):
     access_permissions = MotionVoteAccessPermissions()
     option = models.ForeignKey(
-        "MotionOption", on_delete=models.CASCADE, related_name="votes"
+        "MotionOption", on_delete=CASCADE_AND_AUTOUPDATE, related_name="votes"
     )
 
     objects = MotionVoteManager()
@@ -887,7 +887,10 @@ class MotionOption(RESTModelMixin, BaseOption):
     vote_class = MotionVote
 
     poll = models.ForeignKey(
-        "MotionPoll", related_name="options", on_delete=models.CASCADE
+        "MotionPoll", related_name="options", on_delete=CASCADE_AND_AUTOUPDATE
+    )
+    voted = models.ManyToManyField(
+        settings.AUTH_USER_MODEL, blank=True, related_name="motionoption_voted"
     )
 
     class Meta:
@@ -908,7 +911,7 @@ class MotionPollManager(BaseManager):
             super()
             .get_prefetched_queryset(*args, **kwargs)
             .select_related("motion")
-            .prefetch_related("options", "options__votes", "groups", "voted")
+            .prefetch_related("options", "options__votes", "groups")
         )
 
 
@@ -918,7 +921,9 @@ class MotionPoll(RESTModelMixin, BasePoll):
 
     objects = MotionPollManager()
 
-    motion = models.ForeignKey(Motion, on_delete=models.CASCADE, related_name="polls")
+    motion = models.ForeignKey(
+        Motion, on_delete=CASCADE_AND_AUTOUPDATE, related_name="polls"
+    )
 
     POLLMETHOD_YN = "YN"
     POLLMETHOD_YNA = "YNA"

openslides/poll/access_permissions.py

@@ -20,13 +20,8 @@ class BasePollAccessPermissions(BaseAccessPermissions):
         Non-published polls will be restricted:
          - Remove votes* values from the poll
          - Remove yes/no/abstain fields from options
-         - Remove voted_id field from the poll
          - Remove fields given in self.assitional_fields from the poll
         """
-        # add hast_voted for all users to check whether op has voted
-        for poll in full_data:
-            poll["user_has_voted"] = user_id in poll["voted_id"]
-
         if await async_has_perm(user_id, self.manage_permission):
             data = full_data
         else:
@@ -39,7 +34,6 @@ class BasePollAccessPermissions(BaseAccessPermissions):
                     del poll["votesvalid"]
                     del poll["votesinvalid"]
                     del poll["votescast"]
-                    del poll["voted_id"]
                     for field in self.additional_fields:
                         del poll[field]
                 data.append(poll)
@@ -77,6 +71,10 @@ class BaseOptionAccessPermissions(BaseAccessPermissions):
         self, full_data: List[Dict[str, Any]], user_id: int
     ) -> List[Dict[str, Any]]:
 
+        # add has_voted for all users to check whether op has voted
+        for option in full_data:
+            option["user_has_voted"] = user_id in option["voted_id"]
+
         if await async_has_perm(user_id, self.manage_permission):
             data = full_data
         else:
@@ -89,5 +87,6 @@ class BaseOptionAccessPermissions(BaseAccessPermissions):
                     del option["yes"]
                     del option["no"]
                     del option["abstain"]
+                    del option["voted_id"]
                 data.append(option)
         return data

openslides/poll/models.py

@@ -1,5 +1,5 @@
 from decimal import Decimal
-from typing import Iterable, Optional, Tuple, Type
+from typing import Iterable, Optional, Set, Tuple, Type
 
 from django.conf import settings
 from django.core.validators import MinValueValidator
@@ -35,7 +35,8 @@ class BaseVote(models.Model):
 
 class BaseOption(models.Model):
     """
-    All subclasses must have poll attribute with the related name "options"
+    All subclasses must have poll attribute with the related name "options". Also
+    they must have a "voted" relation to users.
     """
 
     vote_class: Optional[Type["BaseVote"]] = None
@@ -73,6 +74,30 @@ class BaseOption(models.Model):
             )
         return cls.vote_class
 
+    def get_votes(self):
+        """
+        Return a QuerySet with all vote objects related to this option.
+        """
+        return self.get_vote_class().objects.filter(option=self)
+
+    def pseudoanonymize(self):
+        for vote in self.get_votes():
+            vote.user = None
+            vote.save()
+
+    def reset(self):
+        self.voted.clear()
+
+        # Delete votes
+        votes = self.get_votes()
+        votes_id = [vote.id for vote in votes]
+        votes.delete()
+        collection = self.get_vote_class().get_collection_string()
+        inform_deleted_data((collection, id) for id in votes_id)
+
+        # update self because the changed voted relation
+        inform_changed_data(self)
+
 
 class BasePoll(models.Model):
     option_class: Optional[Type["BaseOption"]] = None
@@ -101,7 +126,6 @@ class BasePoll(models.Model):
 
     title = models.CharField(max_length=255, blank=True, null=False)
     groups = models.ManyToManyField(settings.AUTH_GROUP_MODEL, blank=True)
-    voted = models.ManyToManyField(settings.AUTH_USER_MODEL, blank=True)
 
     db_votesvalid = models.DecimalField(
         null=True,
@@ -162,7 +186,7 @@ class BasePoll(models.Model):
         if self.type == self.TYPE_ANALOG:
             return self.db_votesvalid
         else:
-            return Decimal(self.count_users_voted())
+            return Decimal(self.amount_valid_votes())
 
     def set_votesvalid(self, value):
         if self.type != self.TYPE_ANALOG:
@@ -175,7 +199,7 @@ class BasePoll(models.Model):
         if self.type == self.TYPE_ANALOG:
             return self.db_votesinvalid
         else:
-            return Decimal(0)
+            return Decimal(self.amount_invalid_votes())
 
     def set_votesinvalid(self, value):
         if self.type != self.TYPE_ANALOG:
@@ -188,7 +212,7 @@ class BasePoll(models.Model):
         if self.type == self.TYPE_ANALOG:
             return self.db_votescast
         else:
-            return Decimal(self.count_users_voted())
+            return Decimal(self.amount_voted_users())
 
     def set_votescast(self, value):
         if self.type != self.TYPE_ANALOG:
@@ -197,14 +221,30 @@ class BasePoll(models.Model):
 
     votescast = property(get_votescast, set_votescast)
 
-    def count_users_voted(self):
+    def get_user_ids_with_valid_votes(self):
-        return self.voted.all().count()
+        initial_option = self.get_options().first()
+        user_ids = set(map(lambda u: u.id, initial_option.voted.all()))
+        for option in self.get_options():
+            user_ids = user_ids.intersection(
+                set(map(lambda u: u.id, option.voted.all()))
+            )
+        return list(user_ids)
 
-    def get_options(self):
+    def get_all_voted_user_ids(self):
-        """
+        # TODO: This might be faster with only one DB query using distinct.
-        Returns the option objects for the poll.
+        user_ids: Set[int] = set()
-        """
+        for option in self.get_options():
-        return self.get_option_class().objects.filter(poll=self)
+            user_ids.update(option.voted.all().values_list("pk", flat=True))
+        return list(user_ids)
+
+    def amount_valid_votes(self):
+        return len(self.get_user_ids_with_valid_votes())
+
+    def amount_invalid_votes(self):
+        return self.amount_voted_users() - self.amount_valid_votes()
+
+    def amount_voted_users(self):
+        return len(self.get_all_voted_user_ids())
 
     def create_options(self):
         """ Should be called after creation of this model. """
@@ -218,6 +258,12 @@ class BasePoll(models.Model):
             )
         return cls.option_class
 
+    def get_options(self):
+        """
+        Returns the option objects for the poll.
+        """
+        return self.get_option_class().objects.filter(poll=self)
+
     @classmethod
     def get_vote_class(cls):
         return cls.get_option_class().get_vote_class()
@@ -229,22 +275,12 @@ class BasePoll(models.Model):
         return self.get_vote_class().objects.filter(option__poll__id=self.id)
 
     def pseudoanonymize(self):
-        for vote in self.get_votes():
+        for option in self.get_options():
-            vote.user = None
+            option.pseudoanonymize()
-            vote.save()
 
     def reset(self):
-        self.voted.clear()
+        for option in self.get_options():
-
+            option.reset()
-        # Delete votes
-        votes = self.get_votes()
-        votes_id = [vote.id for vote in votes]
-        votes.delete()
-        collection = self.get_vote_class().get_collection_string()
-        inform_deleted_data((collection, id) for id in votes_id)
-
-        # update options
-        inform_changed_data(self.get_options())
 
         # Reset state
         self.state = BasePoll.STATE_CREATED

openslides/poll/serializers.py

@@ -22,7 +22,7 @@ class BaseVoteSerializer(ModelSerializer):
         return vote.option.poll.state
 
 
-BASE_OPTION_FIELDS = ("id", "yes", "no", "abstain", "poll_id", "pollstate")
+BASE_OPTION_FIELDS = ("id", "yes", "no", "abstain", "poll_id", "pollstate", "voted")
 
 
 class BaseOptionSerializer(ModelSerializer):
@@ -31,6 +31,7 @@ class BaseOptionSerializer(ModelSerializer):
     abstain = DecimalField(
         max_digits=15, decimal_places=6, min_value=-2, read_only=True
     )
+    voted = IdPrimaryKeyRelatedField(many=True, read_only=True)
 
     pollstate = SerializerMethodField()
 
@@ -47,7 +48,6 @@ BASE_POLL_FIELDS = (
     "votesinvalid",
     "votescast",
     "options",
-    "voted",
     "id",
     "onehundred_percent_base",
     "majority_method",
@@ -59,7 +59,6 @@ class BasePollSerializer(ModelSerializer):
     groups = IdPrimaryKeyRelatedField(
         many=True, required=False, queryset=get_group_model().objects.all()
     )
-    voted = IdPrimaryKeyRelatedField(many=True, read_only=True)
     options = IdPrimaryKeyRelatedField(many=True, read_only=True)
 
     votesvalid = DecimalField(

openslides/poll/views.py

@@ -210,13 +210,12 @@ class BasePollViewSet(ModelViewSet):
 
         elif poll.type == BasePoll.TYPE_NAMED:
             self.handle_named_vote(data, poll, request.user)
-            poll.voted.add(request.user)
 
         elif poll.type == BasePoll.TYPE_PSEUDOANONYMOUS:
-            self.handle_pseudoanonymous_vote(data, poll)
+            self.handle_pseudoanonymous_vote(data, poll, request.user)
-            poll.voted.add(request.user)
+
+        inform_changed_data(poll)
 
-        inform_changed_data(poll)  # needed for the changed voted relation
         return Response()
 
     def assert_can_vote(self, poll, request):
@@ -224,7 +223,7 @@ class BasePollViewSet(ModelViewSet):
         Raises a permission denied, if the user is not allowed to vote.
         Analog:                     has to have manage permissions
         Named & Pseudoanonymous:    has to be in a poll group and present
-        Only pseudoanonymous:       has to not have voted yet
+        Note: For pseudoanonymous it is *not* tested, if the user has already voted!
         """
         if poll.type == BasePoll.TYPE_ANALOG:
             if not self.has_manage_permissions():
@@ -239,10 +238,6 @@ class BasePollViewSet(ModelViewSet):
             ):
                 self.permission_denied(request)
 
-            if poll.type == BasePoll.TYPE_PSEUDOANONYMOUS:
-                if request.user in poll.voted.all():
-                    self.permission_denied(request)
-
     def parse_vote_value(self, obj, key):
         """ Raises a ValidationError on incorrect values, including None """
         if key not in obj:
@@ -278,13 +273,16 @@ class BasePollViewSet(ModelViewSet):
 
     def handle_named_vote(self, data, poll, user):
         """
-        To be implemented by subclass. Handles the named vote. Assumes data is validated
+        To be implemented by subclass. Handles the named vote. Assumes data is validated.
+        Needs to manage the voted-array per option.
         """
         raise NotImplementedError()
 
-    def handle_pseudoanonymous_vote(self, data, poll):
+    def handle_pseudoanonymous_vote(self, data, poll, user):
         """
-        To be implemented by subclass. Handles the pseudoanonymous vote. Assumes data is validated
+        To be implemented by subclass. Handles the pseudoanonymous vote. Assumes data
+        is validated. Needs to check, if the vote is allowed by the voted-array per poll.
+        Needs to add the user to the voted-array.
         """
         raise NotImplementedError()
 

tests/integration/assignments/test_polls.py

@@ -48,6 +48,15 @@ def test_assignment_vote_db_queries():
     assert count_queries(AssignmentVote.get_elements)() == 1
 
 
+@pytest.mark.django_db(transaction=False)
+def test_assignment_option_db_queries():
+    """
+    Tests that only 1 query is done when fetching AssignmentOptions
+    """
+    create_assignment_polls()
+    assert count_queries(AssignmentOption.get_elements)() == 1
+
+
 def create_assignment_polls():
     """
     Creates 1 assignment with 3 candidates which has 5 polls in which each candidate got a random amount of votes between 0 and 10 from 3 users

tests/integration/motions/test_polls.py

@@ -41,6 +41,15 @@ def test_motion_vote_db_queries():
     assert count_queries(MotionVote.get_elements)() == 1
 
 
+@pytest.mark.django_db(transaction=False)
+def test_motion_option_db_queries():
+    """
+    Tests that only 1 query is done when fetching MotionOptions
+    """
+    create_motion_polls()
+    assert count_queries(MotionOption.get_elements)() == 1
+
+
 def create_motion_polls():
     """
     Creates 1 Motion with 5 polls with 5 options each which have 2 votes each