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| | | |
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| | | @Override |
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| | | public void borrowSubstance(FeStandardSubstanceRecord feStandardSubstanceRecord) { |
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| | | FeStandardSubstance standardSubstance = feStandardSubstanceMapper.selectOne(Wrappers.<FeStandardSubstance>lambdaQuery() |
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| | | .eq(FeStandardSubstance::getId, feStandardSubstanceRecord.getSubstanceId()) |
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| | | .eq(FeStandardSubstance::getState, 0) |
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| | | .last("limit 1")); |
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| | | if (ObjectUtils.isEmpty(standardSubstance)){ |
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| | | throw new ErrorException("该物质已被借出！"); |
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| | | Long borrowQuantity = feStandardSubstanceRecord.getBorrowQuantity(); |
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| | | if (borrowQuantity == null || borrowQuantity <= 0) { |
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| | | throw new ErrorException("请填写正确的领用数量！"); |
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| | | } |
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| | | FeStandardSubstance standardSubstance = feStandardSubstanceMapper.selectById(feStandardSubstanceRecord.getSubstanceId()); |
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| | | if (ObjectUtils.isEmpty(standardSubstance)){ |
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| | | throw new ErrorException("该标准物质不存在！"); |
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| | | } |
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| | | long remaining = calcRemaining(standardSubstance); |
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| | | if (remaining <= 0) { |
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| | | throw new ErrorException("该标准物质已全部领用，剩余数量为0！"); |
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| | | } |
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| | | if (borrowQuantity > remaining) { |
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| | | throw new ErrorException("领用数量不能超过剩余数量（当前剩余" + remaining + "）！"); |
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| | | } |
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| | | long remainingAfter = remaining - borrowQuantity; |
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| | | feStandardSubstanceRecord.setRemainingQuantity(remainingAfter); |
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| | | // 记录领用当时的原始数量快照，之后清单里再改数量不影响历史领用记录 |
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| | | feStandardSubstanceRecord.setOriginalQuantity(standardSubstance.getQuantity()); |
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| | | this.baseMapper.insert(feStandardSubstanceRecord); |
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| | | standardSubstance.setState(1); |
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| | | standardSubstance.setState(remainingAfter == 0 ? 1 : 0); |
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| | | feStandardSubstanceMapper.updateById(standardSubstance); |
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| | | } |
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| | | |
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| | | @Override |
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| | | public void returnSubstance(FeStandardSubstanceRecord feStandardSubstanceRecord) { |
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| | | FeStandardSubstance standardSubstance = feStandardSubstanceMapper.selectOne(Wrappers.<FeStandardSubstance>lambdaQuery() |
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| | | .eq(FeStandardSubstance::getId, feStandardSubstanceRecord.getSubstanceId()) |
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| | | .eq(FeStandardSubstance::getState, 1)); |
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| | | public Long getRemainingQuantity(Integer substanceId) { |
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| | | FeStandardSubstance standardSubstance = feStandardSubstanceMapper.selectById(substanceId); |
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| | | if (ObjectUtils.isEmpty(standardSubstance)){ |
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| | | throw new ErrorException("该物质未被领用，无需归还！"); |
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| | | return 0L; |
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| | | } |
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| | | standardSubstance.setState(0); |
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| | | feStandardSubstanceMapper.updateById(standardSubstance); |
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| | | baseMapper.update(feStandardSubstanceRecord, Wrappers.<FeStandardSubstanceRecord>lambdaUpdate() |
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| | | .eq(FeStandardSubstanceRecord::getSubstanceId, feStandardSubstanceRecord.getSubstanceId()) |
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| | | .eq(FeStandardSubstanceRecord::getStatus, 0)); |
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| | | return Math.max(calcRemaining(standardSubstance), 0L); |
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| | | } |
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| | | |
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| | | private long calcRemaining(FeStandardSubstance substance) { |
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| | | long total = substance.getQuantity() == null ? 0L : substance.getQuantity(); |
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| | | long borrowed = 0L; |
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| | | List<FeStandardSubstanceRecord> records = this.baseMapper.selectList(Wrappers.<FeStandardSubstanceRecord>lambdaQuery() |
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| | | .eq(FeStandardSubstanceRecord::getSubstanceId, substance.getId())); |
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| | | for (FeStandardSubstanceRecord record : records) { |
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| | | if ("1".equals(record.getStatus())) { // 历史归还记录不计入已领用 |
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| | | continue; |
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| | | } |
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| | | borrowed += record.getBorrowQuantity() == null ? total : record.getBorrowQuantity(); |
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| | | } |
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| | | return total - borrowed; |
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| | | } |
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| | | |
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| | | @Override |
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