LogFilter.java

/*
 * ELW : e-learning workspace
 * Copyright (C) 2010  Anton Kraievoy
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package elw.web.core;

import elw.dao.Ctx;
import elw.vo.FileBase;
import elw.vo.FileSlot;
import elw.vo.Score;
import elw.vo.Solution;
import org.joda.time.DateTime;

public class LogFilter {
    private final String due;
    private final boolean latest;
    private final String slotId;
    private final String studId;
    private final String verId;
    private final String mode;
    private final String scope;
    private final String[] scopePath;

    public LogFilter() {
        this(null, null, null, "any", "a", "", false);
    }

    public LogFilter(
            String slotId, String studId, String verId, String due, String mode, String scope, boolean latest
    ) {
        this.due = due;
        this.latest = latest;
        this.slotId = slotId;
        this.studId = studId;
        this.verId = verId;
        this.mode = mode;
        this.scope = scope;

        final String[] scopePathArr = scope.split("--");
        this.scopePath = new String[]{
                scopePathArr.length > 0 ? scopePathArr[0] : "",
                scopePathArr.length > 1 ? scopePathArr[1] : ""
        };
    }

    public String getDue() {
        return due;
    }

    private boolean isLatest() {
        return latest;
    }

    public String getSlotId() {
        return slotId;
    }

    public String getStudId() {
        return studId;
    }

    public String getVerId() {
        return verId;
    }

    public String getMode() {
        return mode;
    }

    public String getScope() {
        return scope;
    }

    public String[] getScopePath() {
        return scopePath;
    }

    public boolean cScopeOpen() {
        return cScopeOne('o');
    }

    public boolean cScopeOne(final char ch) {
        return getScopePath()[1].length() == 0 || getScopePath()[1].indexOf(ch) >= 0;
    }

    public boolean cScopeStud(FileSlot slot, FileBase file) {
        final Score score = file instanceof Solution ? ((Solution) file).getScore() : null;
        if (file == null) {
            return slot.isWritable() && cScopeOne('o');
        } else if (score == null || score.getApproved() == null) {
            return cScopeOne('p');
        } else if (score.getApproved()) {
            return cScopeOne('a');
        } else {
            return cScopeOne('d');
        }
    }

    public boolean cLatest(boolean last) {
        return !isLatest() || last;
    }

    public boolean cDue(Ctx ctxAss, FileSlot slot) {
        if ("any".equalsIgnoreCase(due)) {
            return true;
        }

        final elw.vo.Class classDue = ctxAss.cDue(slot.getId());
        if ("none".equalsIgnoreCase(due)) {
            return classDue == null;
        }
        if ("set".equalsIgnoreCase(due)) {
            return classDue != null;
        }
        if (classDue == null) {
            return false;
        }

        final int dayDiff = classDue.computeToDiff(new DateTime());

        if ("over".equalsIgnoreCase(due)) {
            return dayDiff > 0;
        }

        if ("today".equalsIgnoreCase(due)) {
            return dayDiff >= 0;
        }

        //noinspection SimplifiableIfStatement
        if ("twoweeks".equalsIgnoreCase(due)) {
            return dayDiff >= -14;
        }

        return true;
    }

    protected boolean cVer(Ctx ctx) {
        return !W.excluded(getVerId(), ctx.getAss().getId(), ctx.getVer() == null ? "" : ctx.getVer().getId());
    }
}