ommui_data 0.39.0

OMMUI data structures
Documentation 
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use super::{
    error, LoadableDevice, MeasurementMetadata, MeasurementResults,
    ProfileDescription, Result, ResultDescription, SampleMetadata,
    Sampling, UnitDescription, Uuid,
};
use indexmap::IndexSet;
use snafu::OptionExt;

pub struct Sample<'a> {
    pub device: &'a dyn LoadableDevice,
    pub sample_id: Uuid,
}

pub trait GetSampleRef<'a> {
    fn get_sample_ref(&'a self, sample_id: Uuid) -> Sample<'a>;
}

impl<'a> GetSampleRef<'a> for dyn LoadableDevice {
    fn get_sample_ref(&'a self, sample_id: Uuid) -> Sample<'a> {
        Sample {
            device: self,
            sample_id,
        }
    }
}

impl<'a> Sample<'a> {
    pub fn get_measurement_ref(
        &'a self,
        measurement_index: usize,
    ) -> Measurement<'a> {
        Measurement {
            device: self.device,
            sample_id: self.sample_id,
            measurement_index,
        }
    }

    pub fn load_metadata(&self) -> Result<SampleMetadata> {
        self.device.load_sample_metadata(self.sample_id)
    }

    pub fn load_measurement_index(&self) -> Result<IndexSet<usize>> {
        self.device.load_measurement_index(self.sample_id)
    }

    pub fn load_profile(&'a self) -> Result<ProfileDescription> {
        self.device.load_profile(self.load_metadata()?.profile)
    }

    pub fn load_sampling(&'a self) -> Result<Sampling> {
        self.device.load_sampling(&self.load_profile()?.sampling_id)
    }
}

pub struct Measurement<'a> {
    pub device: &'a dyn LoadableDevice,
    pub sample_id: Uuid,
    pub measurement_index: usize,
}

impl<'a> Measurement<'a> {
    pub fn get_sample_ref(&'a self) -> Sample<'a> {
        Sample {
            device: self.device,
            sample_id: self.sample_id,
        }
    }

    pub fn load_metadata(&self) -> Result<MeasurementMetadata> {
        self.device.load_measurement_metadata(
            self.sample_id,
            self.measurement_index,
        )
    }

    pub fn load_results(&self) -> Result<MeasurementResults> {
        self.device
            .load_results(self.sample_id, self.measurement_index)
    }
}

pub struct MeasurementResult<'a> {
    pub device: &'a dyn LoadableDevice,
    pub sample_id: Uuid,
    pub measurement_index: usize,
    pub result_id: String,
}

impl<'a> MeasurementResult<'a> {
    pub fn load(&'a self) -> Result<f64> {
        match self
            .device
            .load_results(self.sample_id, self.measurement_index)?
            .get(&self.result_id)
        {
            Some(Some(value)) => Ok(*value),
            None | Some(None) => error::NotFound {
                kind: "result",
                id: self.result_id.to_string(),
            }
            .fail()?,
        }
    }

    pub fn get_measurement_ref(&'a self) -> Measurement<'a> {
        Measurement {
            device: self.device,
            sample_id: self.sample_id,
            measurement_index: self.measurement_index,
        }
    }

    pub fn get_sample_ref(&'a self) -> Sample<'a> {
        Sample {
            device: self.device,
            sample_id: self.sample_id,
        }
    }

    pub fn load_result_description(&self) -> Result<ResultDescription> {
        Ok(self
            .get_sample_ref()
            .load_sampling()?
            .results
            .get(&self.result_id)
            .context(error::NotFound {
                kind: "result",
                id: self.result_id.to_string(),
            })?
            .clone())
    }

    pub fn load_unit(&self) -> Result<UnitDescription> {
        let unit_id = self.load_result_description()?.unit.unit_id;
        self.device.load_unit(&unit_id)
    }
}