mariobassem
98ce764992
- use native option types in filters intead of own option types - reflect changes across dependant modules
91 lines
1.5 KiB
V
91 lines
1.5 KiB
V
module model
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pub type NodeGetter = fn (NodeFilter) ![]Node
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pub struct NodeIterator {
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pub mut:
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filter NodeFilter
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pub:
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get_func NodeGetter @[required]
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}
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pub fn (mut i NodeIterator) next() ?[]Node {
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if v := i.filter.page {
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i.filter.page = v + 1
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} else {
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i.filter.page = u64(1)
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}
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nodes := i.get_func(i.filter) or { return none }
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if nodes.len == 0 {
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return none
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}
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return nodes
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}
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pub type FarmGetter = fn (FarmFilter) ![]Farm
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pub struct FarmIterator {
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pub mut:
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filter FarmFilter
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pub:
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get_func FarmGetter @[required]
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}
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pub fn (mut i FarmIterator) next() ?[]Farm {
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if v := i.filter.page {
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i.filter.page = v + 1
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} else {
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i.filter.page = u64(1)
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}
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farms := i.get_func(i.filter) or { return none }
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if farms.len == 0 {
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return none
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}
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return farms
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}
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pub type ContractGetter = fn (ContractFilter) ![]Contract
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pub struct ContractIterator {
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pub mut:
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filter ContractFilter
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pub:
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get_func ContractGetter @[required]
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}
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pub fn (mut i ContractIterator) next() ?[]Contract {
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if v := i.filter.page {
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i.filter.page = v + 1
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} else {
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i.filter.page = u64(1)
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}
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contracts := i.get_func(i.filter) or { return none }
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if contracts.len == 0 {
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return none
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}
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return contracts
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}
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pub type TwinGetter = fn (TwinFilter) ![]Twin
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pub struct TwinIterator {
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pub mut:
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filter TwinFilter
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pub:
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get_func TwinGetter @[required]
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}
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pub fn (mut i TwinIterator) next() ?[]Twin {
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if v := i.filter.page {
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i.filter.page = v + 1
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} else {
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i.filter.page = u64(1)
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}
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twins := i.get_func(i.filter) or { return none }
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if twins.len == 0 {
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return none
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}
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return twins
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}
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